90% of the credit amount must be paid ______ the presentation of documents.
90% of the credit amount must be paid ______ the presentation of documents.
A、at
B、by
C、against
D、with
【正确答案】:C
【题目解析】:[解析]句意:根据提交的文件,必须支付90%的总信用额。against表示“以为标准,根据”,符合 题意。
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