during the press conference,the chairman remained silent when()his opinion about the strike a.being asked b.asked c.to b
问题描述：
during the press conference,the chairman remained silent when()his opinion about the strike a.being asked b.asked c.to be asked
答
D
during the press conference,the chairman remained silent whento be asked his opinion about the strike
在新闻发布会上,当被要求回答他的意见要求的时候他保持沉默
被要求去回答,D是对的