Question

　

Mrs Black doesn't believe her son is able to design a digital camera, ________?

[　　]

A．is he

B．isn't he

C．doesn't she

D．does she

Answer 1

答案：
解析：

当主句主语不是第一人称时，反意疑问句要对主句进行反问，因为这是一个否定句，故选D项。