______their help,we wouldn’t have succeeded.A.Hadn’t been for B.Had it not been for C.It hadn’t been for D.Hadn’t it been for

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______their help,we wouldn’t have succeeded.A.Hadn’t been for B.Had it not been for C.It hadn’t been for D.Hadn’t it been for

______their help,we wouldn’t have succeeded.A.Hadn’t been for B.Had it not been for C.It hadn’t been for D.Hadn’t it been for
______their help,we wouldn’t have succeeded.
A.Hadn’t been for B.Had it not been for
C.It hadn’t been for D.Hadn’t it been for

______their help,we wouldn’t have succeeded.A.Hadn’t been for B.Had it not been for C.It hadn’t been for D.Hadn’t it been for
B
对过去的虚拟,从句用过去完成时,主句用would /could have done

Had it not been for 是倒装
语序还原If it had not been for your help,

B

B 对过去的虚拟要用had
然后是倒装

C