When about his family he is always refusing to answer.A. askedB. askingC. being askedD. m

问题补充：

When about his family, he is always refusing to answer.

A. asked

B. asking

C. being asked

D. mentioned

答案：

(答案→)A. asked

B. asking

C. being asked

D. mentioned

解析：考查省略句。当状语从句的主语与主句主语一致的时候，可以把主语与系动词省略，构成省略句。句意：当被询问他家庭的时候，他总是拒绝回答。