－You quit the job? Are you crazy?
－ I’m serious.
A. I don’t know for sure.
B. I am behind you.
C. I’m not going to kid you.
D. Congratulations.
网友回答
A. I don’t know for sure.
B. I am behind you.
(答案→)C. I’m not going to kid you.
D. Congratulations.
解析：考察交际用语。A我不确定；B我支持你；C我不是和你开玩笑的；D祝贺你。句意：—你放弃了你的工作？你疯了吗？—我不是开玩笑的，我是认真的。根据句意说明C正确。