选择合适的句子补全对话。

Sarah: Welcome!

Reporter: How many classes are there in your school?

Sarah:

Reporter: Do you have a library?

Sarah:

Reporter:

Sarah: The playground is over there.

Reporter:

Sarah: It's on the second floor.

Reporter: Thank you for telling me these.

A. Yes, we do. B. Where is your classroom? C. Twenty-four. D. Where is the playground? E. Thanks.