Question

【题目】I would have come earlier, but I 　　　　that you were waiting for me.

A. didn't know B. hadn't known

C. would have known D. haven't known

Answer 1

【答案】A

【解析】试题分析：考查时态。从前面的would have come 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。故选A。