---Try not to work too hard. Relax yourself.-- Thanks. A. So what?B. No wayC. You too.D.

问题补充：

---Try not to work too hard. Relax yourself.

-- Thanks.

A. So what?

B. No way

C. You, too.

D. What for?

答案：

A. So what?

B. No way

(答案→)C. You, too.

D. What for?

解析：考查交际用语。A那又怎么样？B不可能；C你也一样；D为了什么？句意：—不要太认真，放松点。—多谢。你也一样。根据句意说明C正确。