根据对话内容，从下面方框中选出恰当的句子补全对话。

A: Excuse me! I'm afraid I got lost.

B: Yes. There is one on Qingdao Road. There is an art exhibition there.

A: How far is it from here?

B: You can take the underground there. It takes you 10 minutes to get there.

A: Thank you. By the way,

B: Go to the end of this street. I'm sure you can find it.

A: It really helps me a lot.

B: My pleasure.

A. Thanks for your help. B. About thirty minutes' walk. C. It's between the post office and the supermarket. D. Is there a museum near here? E. Where can I take the underground there?