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

熱心網友

B not be arrested主句中是demand,從句中應是動詞原型,虛擬語氣

熱心網友

B not be arrested有demand,后面的賓語從句用虛擬語氣,既(should)+V原形這里是被動的　所以用他的被動語態和demand用法同樣要用虛擬的有：suggest,insist,propose,require,ask,advise,order,request等

熱心網友

B