Why did you throw the bottle out of the window?you

题目

Why did you throw the bottle out of the window?you
横线部分的正确答案是could have hurt,为什么不是might hurt?

答案

从did you throw 看出这个事情发生在过去,
could have hurt 意思是：你当时有可能伤着别人,是对过去的虚拟,只能用could have done