关于虚拟语气一道练习题 .求详解

题目

关于虚拟语气一道练习题 .求详解
Let's say you could go there again,how___ feel
A .will you B .should you C.would you D .do you
我选的B,可是答案是C

答案

可以把句子补全来理解.
if you went there again,how would you feel?是与将来情况相反的虚拟语气,if 从句谓语动词用did,主句谓语动词用would/could/ might + V原形