高中英语问题(虚拟语气)
Ifhe____ouradvice,hewouldn'tbeinthatterriblesituation
A.followsB.couldfollowC.hadfollowedD.hasfollows
我知道答案,但我选的A,主句是would+do原,前面应与过去或将来相反啊,为什么选C?