(2013·河南郑州一模)—Hey, you haven't been acting like yourself. Everything 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：选B 考查交际用语。上文提出问题“情况还好吗？”，故应回答“我很好”，同时对别人的问候与关心应该表示感谢，故选B。