---- 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
网友回答
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。