用适当的句子补全对话。

Jack: Good morning, Betty! 1._____

Lucy: We're raising money for Hope School. 2._____

Jack: No.What is a Hope School?

Lucy: It's a school for poor children.And Project Hope has built many schools.

Jack: 3._____ Tell me more about it.

Lucy: 4._____

A. That sounds interesting.

B. What are you doing?

C. Have you been to a Hope School?

D. No problem.