If you joke with him he’ll think you are insulting(侮辱) him .
A. on purpose
B. by accident
C. by coincidence
D. at present
网友回答
(答案→)A. on purpose
B. by accident
C. by coincidence
D. at present
解析：介词短语辨析。A故意地；B偶然地；C巧合地是；D目前，现在；句意：如果你和他开玩笑，他会认为你是在故意地侮辱他。根据句意说明A正确。