I don't know why she is looking at me she knew me. I've never seen her.A. asB. althoughC.

问题补充：

I don know why she is looking at me she knew me. Ive never seen her.

A. as

B. although

C. even if

D. as if

答案：

A. as

B. although

C. even if

(答案→)D. as if

解析：连词辨析。A当…时；随着；B尽管；C即使；D似乎，好像；句意：我不知道她为什么要看着我。似乎他认识我。我从来都没有看见她。根据句意说明D正确。