—I really don’t know how to thank you enough．—．A. No problem B. Think nothing of itC. With

—I really don’t know how to thank you enough．
— ．
A. No problem
B. Think nothing of it
C. With pleasure
D. Glad to hear that

A. No problem (答案→)B. Think nothing of itC. With pleasure D. Glad to hear that解析：考查交际用语。对方想你表示感谢，此时用B作答。

这下我知道了