look look at see 三词有什么差别

题目

look look at see 三词有什么差别
I don”know why he__ me now.
A looks B is looking C is seeing D is looking at

答案

D
时态：现在进行时,B,C,D
句子中有me,不能用B.应该用(look at me)
see看见,不能说：“我不知道他为什么在看见我”