----Hey, you haven’t been acting like yourself. Everything OK?
---- .
A. Sure , it is
B. I’m fine, thanks
C. That’s good
D. That’s right
网友回答
A. Sure , it is
(答案→)B. I’m fine, thanks
C. That’s good
D. That’s right
解析：考查交际用语：A. Sure , it is当然，是的，B. I’m fine, thanks我很好，谢谢，C. That’s good很好D. That’s right对的，句意：--嗨，你最近好像不太好，一切顺利吗？--很好，谢谢。选B符合句意。