英语语法:There was plenty of time.She ____.A.needn't have hurried B.couldn't have hurried请问,答案给了个A,但是没学过有need情态动词的虚拟语气啊~

问题描述:

英语语法:There was plenty of time.She ____.A.needn't have hurried B.couldn't have hurried
请问,答案给了个A,但是没学过有need情态动词的虚拟语气啊~