选出合适的句子补全对话。

A. Don't walk on the grass. B. Are there any rules in your library? C. what does the sign mean? D. and we can't run in it. E. Are you going to the library?

A: What is this?

B: It's a library card.

A:

B: Yes. I want to borrow a book about China.

A:

B: Yes. We don't talk in it.

A: Yes,

B: Oh,

A: It means: don't turn right. Oh, this way please. Look at the sign.

B: What's the meaning?

A:

B: OK. Let's go to the library from here.