Standby letters of credit are relatives of documentary letters of credit because ______.A．they are very similar to ordinary letters of credit in operationB．the issuing banks undertake to payC．they are normally accompanied by evidences of transactions such

Standby letters of credit are relatives of documentary letters of credit because ______.

A．they are very similar to ordinary letters of credit in operation

B．the issuing banks undertake to pay

C．they are normally accompanied by evidences of transactions such as non-negotiable copies of B/L or other documents

D．they call for all kinds of normal documents