9.The whole building would have been burned down,but the rain_____.

题目

9.The whole building would have been burned down,but the rain_____.
A.had helped B.helped C.helps D.could help

答案

B
整座大楼原本是要被烧毁的,还好下了一场雨（帮了忙）.
这里“下雨”是过去实际发生的动作,所以不需要用虚拟式