单选题 They feel they are justified _____the child because he was not behaving himself.
A. to punish B. to be punishing
C. in punishing D. punishing

【正确答案】 C

【答案解析】to be justified in doing something：觉得自己做某事是正当的。也可用justify的主动形式，比如：He cited a previous case to justify his argument.他引用了过去的一个案例来证明他的辩论是有理的。