中国石油大学 / 中石油
正确率：100%
16. In the case of _____, documents are handed over to the importer upon his acceptance of the bill of exchange drawn by the exporter.
A、B/L
B、L/C
C、D/A
D、D/P
A、B/L
B、L/C
C、D/A
D、D/P
参考答案：
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