-John's had his hair cut, _____? -Yes. If not, his

问题描述:

-John's had his hair cut, _____? -Yes. If not, his
-John's had his hair cut, _____?
-Yes. If not, his teacher won't let him in.
A. isn't he.B. hadn't he. C. wasn't he. D. hasn't he.
求讲解

D hasn't he
现在完成时的结构:助动词have / has +动词的过去分词,句中有HAD 故John‘s had = John has had (had 是HAVE 的过去分词)
反意疑问句的结构:前肯后否,或前否后肯.HAS HAD 是肯定,故疑问部分用否定,所以正确的是D