中国石油大学 / 中石油
正确率:100%
17. _____ requires immediate payment by the importer to get hold of the documents.
A、D/P after sight
B、D/P at sight
C、D/A after sight
D、D/A at sight
A、D/P after sight
B、D/P at sight
C、D/A after sight
D、D/A at sight
参考答案: