If I hadn’t been lucky enough to meet you. I really what I would have done.A. don’t knowB

问题补充：

If I hadn’t been lucky enough to meet you. I really what I would have done.

A. don’t know

B. hadn’t known

C. wasn’t knowing

D. wouldn’t know

答案：

(答案→)A. don’t know

B. hadn’t known

C. wasn’t knowing

D. wouldn’t know

解析：考查虚拟语气。句意“如果我不是足够幸运遇见你。我确实不知道我会做什么。”第二句是真实情况，应该用现在时。故选A。