【题目】Had he taken his parent’s advice, he ______ having made such a silly mistake now.
A.would not regretB.would not have regretted
C.may not regretD.does not regret
在线课程【答案】A
【解析】
考查虚拟语气。句意：如果他接受了父母的建议，他现在就不会后悔自己犯了这样一个愚蠢的错误。此处是省略if的虚拟语气，从句与过去事实相反，用过去完成时态；主句与现在事实相反，用would+动词原形，故选A。