I don’t think it is good for animals to stay at zoos ?-- I agree with you.A. isn’t

问题补充：

--- I don’t think it is good for animals to stay at zoos, ?

---- I agree with you.

A. isn’t it

B. don’t I

C. is it

D. do I

答案：

A. isn’t it

B. don’t I

(答案→)C. is it

D. do I

解析：

这题考查反意问句的用法：I don’t think+从句，反意问句和从句一致，根据前否后肯的原则，选C。