— Is there anything wrong, Bob? You look sad.
— Oh, nothing much. In fact, I of my friends back home.
A. have just thought
B. was just thinking
C. would just think
D. will just be thinking
网友回答
A. have just thought
(答案→)B. was just thinking
C. would just think
D. will just be thinking
解析：考查时态。句意：有什么问题，Bob。你看起来很难过。没什么。事实上。我刚才在想我回家的朋友们。指的是刚刚正在想，所以用过去进行时态。选B。