—Hey, you haven't been acting like yourself. Everything is OK?
— .
A. Sure, it is
B. I'm fine, thanks
C. That's good
D. It's a pleasure
网友回答
A. Sure, it is
(答案→)B. I'm fine, thanks
C. That's good
D. It's a pleasure
解析：考查情景交际。句意：--嘿，你一直不在状态，一切都好吗？--我很好，谢谢。A当然，是的；B很好，谢谢；C很好；D不客气。只有B项最符合语境，故选B。