Question

I you,but I didnt think you would listento me A could have told Bmust have told

I you,but I didnt think you would listento me
A could have told Bmust have told C should tell D might tell
为什么选A

Answer 1

应该是虚拟用法吧。我本来可以告诉你的，但我不认为你会听我的。