Tom, can you answer my question? - Er, I’m very sorry, Miss Evens. I ______ about something else.
问题描述：
Tom, can you answer my question? - Er, I’m very sorry, Miss Evens. I ______ about something else.
A. have thought B. was thinkingC. will thinkD. had thought
为什么是B?
答
首先肯定的是：时态用过去式,对吧?因为是刚才想事情,走神了.
再者,想事情是进行时,这个学生现在是对刚才的情况说明了一下