—What do you think of my plan？—Sorry. What’s that? I about something else.A. thoughtB. am

问题补充：

—What do you think of my plan？

—Sorry. What’s that? I about something else.

A. thought

B. am thinking

C. was thinking

D. had thought

答案：

A. thought

B. am thinking

(答案→)C. was thinking

D. had thought

解析：考查时态：根据句意：--你认为我的计划怎样？--对不起，是什么？我在想其它别的事。用过去时是为了强调我刚才在考虑别的事。不是现在。选C

考点:考查时态

点评; ;时态的考查重点是上下文的语境，分析句子找出动作发生的时间很关键。