题目内容
（请给出正确答案）
[主观题]
A letter of credit will add to the cost of our imports, we hope you can agree to the payment terms o
f D/P.
提问人：网友anonymity
发布时间：2022-01-06
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W: Its main role is to transfer the payment obligation from payer to bank. It makes the payment safer for the exporter with the bank' s credit and guarantee, and simultaneously makes the supply of goods safer for the importer.
Q: What is the main role of a letter of credit？
(19)
A．It is to transfer the contract from bank to customer.
B．It is to transfer the payment obligation from buyer to seller through banks.
C．It is to transfer the confirmation from the issuing bank to confirming bank.
D．It is to transfer the documents from advising bank to issuing bank.
