注意：此页面搜索的是所有试题
题目内容
（国家开放大学报关实务）
A letter of credit is usually opened by the ____.
A.issuing bank
B.confirming bank
C.advising bank
D.negotiating bank
A.issuing bank
B.confirming bank
C.advising bank
D.negotiating bank
参考答案
