—sss，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：考查交际用语。A当然，是这样的；B我很好，多谢；C那真好；D我的荣幸；句意：—你今天好像很反常。一切都好吗？—我很好，多谢。根据第一句的句意说明是询问对方的身体情况。故B的回答正确。