——Excuse me.Has the train arrived_?——Sorry sir.I'm afraid you have to wait another hour.A.already B.either C.yet D.just选哪个?其他项怎么排除

——Excuse me.Has the train arrived_?——Sorry sir.I'm afraid you have to wait another hour.A.already B.either C.yet D.just选哪个?其他项怎么排除
——Excuse me.Has the train arrived_?——Sorry sir.I'm afraid you have to wait another hour.
A.already B.either C.yet D.just选哪个?其他项怎么排除

——Excuse me.Has the train arrived_?——Sorry sir.I'm afraid you have to wait another hour.A.already B.either C.yet D.just选哪个?其他项怎么排除
c只有yet一般与完成时连用
希望可以帮到你,有不懂的还可以问我^^

yet

选C,用于否定和疑问语气