Elise remembers many things exactly as if it yesterday.
A. was happening
B. happens
C. has happened
D. happened
网友回答
A. was happening
B. happens
C. has happened
(答案→)D. happened
解析：as if意为“好像，仿佛”，所引导的从句如果表示真实情况，谓语动词用陈述语气。如果表示非真实情况，谓语动词用虚拟语气。因为Elise所能想起的事都发生在过去，而不是发生在昨天，是非真实情况，所以要用虚拟语气。