Mrs. Black doesn’t believe her son is able to design a digital camera, ?
A. is he
B. does she
C. doesn’t she
D. does he
网友回答
A. is he
(答案→)B. does she
C. doesn’t she
D. does he
解析：考查反义疑问句。在反义疑问句中，一般原则为前面部分为肯定时，后面用否定形式。当前面为否定或否定含义时，后面用肯定格式。本句中前文为否定形式，故后面用肯定形式，Mrs. Black指的是布莱克夫人，下文人称代词用she，选B。