【题目】I don't know why she's looking at me __________ she knew me. I've never seen her before in my life.
A. as B. although C. even if D. as if
在线课程【答案】D
【解析】句意：我不知道她为什么一直看着我，好像她认识我一 样。以前我从未见过她。由句意和句子时态可知这是与现 在事实相反的虚拟语气，as if仿佛，好像，引导的从句与事 实相反时，要用虚拟语气，与现在事实相反，从句用一般过去时。