—What did the teacher say just now? — Sorry. I didn’t catch it. I something else.A. think

问题补充：

—What did the teacher say just now? — Sorry. I didn’t catch it. I something else.

A. think

B. will think

C. was thinking

D. had thought

答案：

A. think

B. will think

(答案→)C. was thinking

D. had thought

解析：时态的考查。根据句意“刚才老师说什么了？对不起，我不知道。我在想别的事情”。说明当时“我”正在做其他的事情，应该是过去进行时态。