A vessel not under command making way at night would show ______.A.two all-round red lights in a vertical lineB.anchor lights and sidelightsC.two all-round white lights in a vertical line，sidelights and a stern lightD.two all-round red lights in a vertica

By day，she shall carry a black cylinder shape

By day，she shall carry two black balls in a vertical line

By night，she would show the same lights as a vessel not under command

By day，she would show the same shapes as a vessel restricted in her ability to maneuver

a red light over a white light

a white light over a red light

a green light over a white light

two red lights in a vertical line

During the day，she would display three balls in a vertical line

If making way，she would show masthead lights at night

If at anchor，she need not show anchor lights while displaying identifying lights

Her fog signal would consist of a rapid ringing of a bell for five seconds every minute

two red lights at night and two black balls during daylight

two red lights at night and three black balls during daylight

three red lights at night and two black balls during daylight

three red lights at night and three black balls during daylight

need not show the lights for a vessel engaged in towing，if it is impractical to do so

may show the lights for a vessel not under command

must show a yellow light above the stern light

must show the lights for a vessel towing

A sternlight only

Anchor lights only

A white light over a red light only

A white light over a red light and anchor lights

Masthead lights and sidelights

One sidelight，the masthead lights and stern light

Both sidelights

Stern light

when at anchor

only when making way

at any time when underway

only when the identifying lights are not being shown

the intensity of the light

checking the period and characteristics against the Light List

the color，because the buoy will have only a red or a green light

Any of the above can be used to identify the light

vessel laying cable

vessel towing a submerged object

vessel not under command

air cushion vessel

during the day，three balls in a vertical line

during the day，three shapes，the highest and lowest being balls and the middle being a diamond

when making way at night，two all-round red lights，sidelights，and a sternlight

when making way at night，masthead lights，sidelights，and a sternlight

When vessel is on fire

When vessel is not under command

When vessel is carrying the dangerous cargoes

When vessel is restricted in her ability to maneuver

in distress

approaching a bend in the channel

operating astern propulsion

intending to overtake another vessel

making headway

making no headway

moored to a buoy

at anchor

underway but not making way

making way，not under command

not under command，not making way

trolling underway

two all-round red lights in a vertical line

anchor lights and sidelights

two all-round white lights in a vertical line，sidelights and a stern light

two all-round red lights in a vertical line，sidelights，and a stern light

not be regarded as a vessel

in general，keep well clear of all vessels

proceed at a slower speed than surrounding vessels

when making way，show the lights for a vessel not under command

three all-round red lights instead of the lights required for a power-driven vessel of her class

the same lights as a vessel restricted in her ability to maneuver

three all-round red lights in addition to the lights required for a power-driven vessel of her class

the lights for a power-driven vessel which is not under command

vessel not under command

air cushion vessel in the nondisplacement mode

vessel towing a submerged object

vessel engaged in diving operations

the masthead lights for a towing vessel

the lights for a vessel restricted in her ability to maneuver

sidelights，stern light，and towing light

All of the above

A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver

A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft

A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing

A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver

not under command lights

restricted in her ability to maneuver lights

anchor lights

sidelights and a sternlight