I don’t think they will help us, ?
A. do I
B. don’t I
C. will they
D. won’t they
网友回答
A. do I
B. don’t I
(答案→)C. will they
D. won’t they
解析：考查反义疑问句。主句动词是think时，反义疑问句是对从句提问，I don’t think they will help us是否定前移，实际上是否定从句they will help us，所以反义疑问句句用肯定形式，上文用助动词will，反义疑问句也用will.所以选C。