They urged that measures_____immediately to protect the endangered animals.
问题描述：
They urged that measures_____immediately to protect the endangered animals.
A.should take B.must be taken C.would take D.be taken
为什么B选项不行呢?我觉得B.D应该都是正确的啊
觉得回答得非常的好,非常的感谢,我也理解了,只是抱歉,暂时无法采纳为最佳答案）
答
urge后面接的从句要用虚拟语气（should）+动词原形