—Did you notice him e in?
—No, I a football game.
A. have watched
B. had watched
C. am watching
D. was watching
网友回答
A. have watched
B. had watched
C. am watching
(答案→)D. was watching
解析：句意：你注意到他进来了吗？——没有，我（当时）正在看一场足球比赛。结合语境可知下文描述的是过去某时正在进行的动作，故用过去进行时态，选D。