Question

--- I have great difficulty figuring out the answer to this problem.   

  --- _____ my advice, you ____ less difficulty with such problems. 

   A. If you had followed, would have had   B. If you followed, would have 

   C. If you had followed, would have        D . If you listen, will have

Answer 1

C

解析:

这是一个混合型的虚拟语气。主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，从句与过去事实相反的假设，而主句是与现在事实相反的假设。说话者现在解决问题有困难，是因为（过去）没有听从建议。