听力原文：M: Excuse me. Have you been waiting long？W: Twenty minutes already.M: Did you not

听力原文：M: Excuse me. Have you been waiting long？

W: Twenty minutes already.

M: Did you notice whether the No. 7 bus has passed by？

W: Not while I've been standing here. I'm also waiting for the No. 7 bus myself.

M: Good. Hot today, isn't it？

W: Yes, it is. I wish that it would rain and cool off.

M: Me, too. This is unusual for March. I don't remember it ever being so hot and dry in March before.

W: My mother and I have just moved here from Indiana. It is pretty cold there.

M: Yes, I've heard of that.

W: Do you think we've missed the has？

M: Take it easy. It never comes exactly on the half hour like it should.

What is the woman waiting for？

A．She is waiting for the man.

B．She is waiting for her mother.

C．She is waiting for a bus.