when( ) the question,the boy looked puzzled and made no answer.
问题描述：
when( ) the question,the boy looked puzzled and made no answer.
A askB askedC asking Dto ask
答
B asked when asked the question是省略句,asked是被动语态,原句可认为是when the boy was asked the question,he looked puzzled and made no answer.当这个男孩被问到问题时,他总是一头雾水、茫然不答....