-John you look worried. Anything wrong?-Well I a test and I’m waiting for the r

问题补充：

---- John, you look worried. Anything wrong?

---- Well, I a test and I’m waiting for the result.

A. will take

B. took

C. had taken

D. take

答案：

A. will take

(答案→)B. took

C. had taken

D. take

解析：句意：--约翰，你看起来很担心，出了什么事，---我参加了一个考试，我正在等结果。从I’m waiting for the result.可知是过去参加了考试，现在正在 等结果，用一般过去时，选B。