根据对话内容，从下面方框中选出恰当的句子补全对话。

A: Hello, Li Lin.

A: Hello! This is 911. Who is that speaking?

B: Help! Help! Please help me!

A: Yes, sir.

B: My wife is seriously ill. She's having a heart problem.

A: Now relax, sir.

B: I'm on Lincoln Highway, about 15 miles from Washington Tunnel.

A: OK. I'll sent an ambulance as soon as possible.

B:

A: For about ten minutes.

B: All right. What should I do while waiting?

A:

B: OK. Thank you and please hurry.

A. How long will I have to wait? B. Where are you now? C. This is Scott Smith. D. Stay with her and don't move her. E. What's happening?