2He’s never watched such an important watch,______?

问题描述:

2He’s never watched such an important watch,______?
A.hasn’t he B.has he C.isn’t he D.is h

A,因为这里是用完成时态,所以反问时也要用完成时,前面是肯定句式,后面就得用否定式.
明白吗