单选题______ your help, they’d never have been able to overcome the difficulties.AWere it notBIf it was notCHad it not been forDHad it not for

单选题
______ your help, they’d never have been able to overcome the difficulties.
A

Were it not

B

If it was not

C

Had it not been for

D

Had it not for


参考解析

解析:
若虚拟条件句中含有were,had或should等时,连词if可以省略,并使用倒装语序。were it not若不是…的话,若非。had it not been for如果不是因…。

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