I don't think he will help me with it,_____?

问题描述:

I don't think he will help me with it,_____?
A.do l
B.don't l
C.will he
D.won't he

I don't think he will help me with it.
本句里的主句:I don't think 从句:he will help me with it
当主句主语是第一人称,则反义疑问句跟从句变,否定要转移.(think是一个否定转移的词)把主句里的否定转移到从句中,变成he will not help me with it,will he?
当主句主语不是第一人称,则反义疑问句跟主句变,否定不要转移.比如:
She does't think he will help me with it,does she?