—Madam could you please tell me how to get to the nearest post office? — A. That’s all r

问题补充：

—Madam, could you please tell me how to get to the nearest post office?

—

A. That’s all right.

B. Let me think.

C. Why not?

D. Well, never mind.

答案：

A. That’s all right.

(答案→)B. Let me think.

C. Why not?

D. Well, never mind.

解析：考查交际用语。A 没关系 ；B 让我想一想 C 为什么不呢？好呀！ D 没关系。根据句意，只有B符合语境。