What do you think of the color of my new dress?Sorry,but what did you say?I _____ something else.

问题描述:

What do you think of the color of my new dress?Sorry,but what did you say?I _____ something else.
A think about B thought about
C an thinking about D was thinking about
需要选择哪个答案?为什么?
C 选项打错了 应该是:am thinking about

D was thinking about
没有听清楚问题,我刚才正在想别的事情
过去进行时啊