从A-G选项中选出能填入空白处的最佳选项补全对话（选项中有两项是多余的）

A: Hi, Jane. I haven't seen you recently. What are you doing these days?

B: My classmate John is seriously ill. And his family can't afford all the medical costs.

A: Sorry to hear this!

B: We've called the students and teachers to collect money for him.

A:

B: We also did some charity (慈善) sale on the school playground, but it's not enough.

A: I think we can collect some old books and clothes and sell them on the Internet.

B: That's great!

A. Don't worry. B. So we have set up a program to raise money for him. C. What's wrong with him? D. I'll tell the other group members about this. E. What else did you do? F. I beg your pardon? G. What have you done?