问题补充：
---Thank for the ride home!
-----, which of the following is wrong?
A. Don’t mention it.
B. Not to mention
C. Not at all
D. That’s all right.
答案：
A. Don’t mention it.
(答案→)B. Not to mention
C. Not at all
D. That’s all right.
解析：考查交际用语。A,C,D均用于表示感谢时的答语；B项“更不用说”，意思与语境不符，故答案为B。
