We demanded that every student who took part in the demonstration___.A not to arrest B not be arrestedC not to be arrested D hadn\'t been arrested
热心网友
B not be arrested主句中是demand,从句中应是动词原型,虚拟语气
热心网友
B not be arrested有demand,后面的宾语从句用虚拟语气,既(should)+V原形这里是被动的 所以用他的被动语态和demand用法同样要用虚拟的有：suggest,insist,propose,require,ask,advise,order,request等
热心网友
B