I don't think you have eaten so many crisps ?A. do IB. haven't youC. have youD. don't you

问题补充：

I don think you have eaten so many crisps ,?

A. do I

B. haven you

C. have you

D. don you

答案：

A. do I

B. haven you

(答案→)C. have you

D. don you

解析：宾语从句中的主句，用I don think/believe/ suppose have you引出从句，要以从句反问，所以选C