---Hey,youhaven'tbeenactinglikeyourself.EverythingOK?-...

问题详情：

 ---Hey, you haven't been acting like yourself. Everything OK?

---______.

A. I’m fine, thanks     B. Sure, it is                  C. That’s good                     D. It’s OK

【回答】

A考查交际用语。

知识点：交际用语

题型：选择题