四六级考试

试题来源：大学三级(A)-246
【单选题】 ______ for your advice, we'd never have been able to overcome the difficulties.
A．Had it not
B．If it were not
C．Had it not been
D．If we had not been

参考答案：C
网考网解析：
[考点] 倒装句。 [句意] 要不是你的建议，我们不可能克服这些困难。 [解析] 此题考查了虚拟语气时态混用和倒装语序两个知识点。虚拟语气中若主句用的是would have done的时态，从句相应要用had done的时态。... 查看试题解析出处>>