问题
单项选择题
The buyer should open the ______L/C 30 days _____the time of shipment.
A. relative．before
B. relevant．on
C. covering, after
D. above, for
答案
参考答案：A
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The buyer should open the ______L/C 30 days _____the time of shipment.
A. relative．before
B. relevant．on
C. covering, after
D. above, for
参考答案：A