______your help, they’d never have been able to overcome the difficulties.A、Were

游客2024-08-21 18

问题 ______your help, they’d never have been able to overcome the difficulties.

选项 A、Were it not
B、If it was not
C、Had it not been for
D、Had it not for

答案 C

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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[originaltext]Milkwasabasicfoodofmanlongbeforehistorywaswritten.