–What are you going to do this Sunday? –I yet. A. won’t decideB. didn’t decideC. haven’t d

问题补充：

–What are you going to do this Sunday? –I yet.

A. won’t decide

B. didn’t decide

C. haven’t decided

D. don’t decide

答案：

A. won’t decide

B. didn’t decide

(答案→)C. haven’t decided

D. don’t decide

解析：根据第一句的内容说明要用现在完成时，其结构为主语+