I can't stop playing games.For your health.I'm afraid you ___.

问题描述:

I can't stop playing games.For your health.I'm afraid you ___.
A.can B.may C.must D.have to
why?

选d
have to是“不得不”的意思,主要强调外界客观因素
must虽然也是“必须”,但它表示的是主观认为
所以用have to才可以