听力原文：Thank you so much for your time.
(2)
A．It's my pleasure.
B．Don't mention it.
C．What a waste of time.
D．Yes, it cost me a lot of time.

A.
(2)
A．It's
B.
B．Don't
C.
C．What
D.
D．Yes,
E.


【参考答案】

A
解析：只有A是对对方表示感谢的正确回应。