--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I the ing National College Entrance Examination
A. have just thought of
B. was just thinking of
C. will just be thinking of
D. would just think of
网友回答
A. have just thought of
(答案→)B. was just thinking of
C. will just be thinking of
D. would just think of
解析：
试题分析: 考查动词时态。从语境可知说话人是指当时看上去心烦意乱时在想考试的问题。所以用过去进行时态。句意：--汤姆，怎么了？你看上去有点沮丧呢。--没什么。事实上，我一直在想即将到来的大学入学考试。