I would have e earlier, but I that you were waiting for me.
A. hadn’t known
B. didn’t know
C. would have known
D. haven’t know
网友回答
A. hadn’t known
(答案→)B. didn’t know
C. would have known
D. haven’t know
解析：这题考查时态的用法：从前面的would have e earlier“我本来可以来得更早”，说明过去没能早来，是因为过去不知道你在等我，用过去时。选B。