Which of the following statements about standby l

Which of the following statements about standby letters of credit is true？______.

A．They can serve as a guarantee to a buyer against a seller defaulting.

B．They are contrary to the general rule that letters of credit may only be used for the actual movement of goods.

C．They are unlike a tender (or other) bond in their legal standing and method of operation.

D．They are unlike a tender bond with its fixed expiry date.

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