问题补充:
—I really don’t know how to thank you enough .
—.
A. No problem
B. Think nothing of it
C. Not at all
D. It doesn’t matter
答案:
A. No problem
B. Think nothing of it
C. Not at all
D. It doesn’t matter
解析:think nothing of it:used as a polite response to apologies, thanks, etc,用作回应道歉.感谢等的客气话。故选B。