You’d better your scores and see if you have passed the exam .A. add B. add to C. add up D

问题补充：

You’d better your scores and see if you have passed the exam .

A. add

B. add to

C. add up

D. add up to

答案：

A. add

B. add to

(答案→)C. add up

D. add up to

解析：考查短语辨析。A加；B增添；C加起来；D总计。句意：你最好把你的分数加起来，看看你是否通过考试。故C正确。