_____ for you help,we might have got lost in the forestA.Had it notB.Had it not beenC.If it were notD.If we had not been选哪个?为什么?

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_____ for you help,we might have got lost in the forestA.Had it notB.Had it not beenC.If it were notD.If we had not been选哪个?为什么?

_____ for you help,we might have got lost in the forestA.Had it notB.Had it not beenC.If it were notD.If we had not been选哪个?为什么?
_____ for you help,we might have got lost in the forest
A.Had it not
B.Had it not been
C.If it were not
D.If we had not been
选哪个?为什么?

_____ for you help,we might have got lost in the forestA.Had it notB.Had it not beenC.If it were notD.If we had not been选哪个?为什么?
B,虚拟语气,用过去完成时.表原因,had提前.