—I saw Jane and her boyfriend in the park at eight yesterday evening.
—Impossible.She TV with me in my home then.
A. watched
B. had watched
C. would watch
D. was watching
网友回答
A. watched
B. had watched
C. would watch
(答案→)D. was watching
解析：过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。根据所提供的情景“I saw Jane and her boyfriend in the park at eight yesterday evening.”可判断出所指的是昨天晚上8点正在发生的事，所以要用过去进行时。