求教英语宾语从句的反义疑问句一题!

题目

求教英语宾语从句的反义疑问句一题!
I think he needs it because it is important,_____?
A.don't you
B.doesn't he
C.needn't he
D.isn't it
我想问一下I think +陈述句,的反义疑问句是跟I think的主语保持一致,还是和陈述句的主语保持一致?
还有he think的反义疑问句又是如何的呢?

答案

I think +陈述句,反应问句与宾语从句的主语保持一致.
he thinks的反义疑问句与主句的主语保持一致.
选B