— Did he break it accidentally?— No .A. by mistakeB. by chanceC. on purposeD. with purpos

问题补充：

— Did he break it accidentally?

— No, .

A. by mistake

B. by chance

C. on purpose

D. with purpose

答案：

A. by mistake

B. by chance

(答案→)C. on purpose

D. with purpose

解析：

试题分析:考查介词短语。A 错误地；B 偶然地；C 故意地；D 为了。。目的。从否定回答No 判断不是无意的，所以就是故意的，C选项正确。句意：--他是无意中打坏的吗？-- 不， 他是故意地。