Most students felt disappointed at the party.They said that it ___better organized

问题描述:

Most students felt disappointed at the party.They said that it ___better organized
A.had beenB.could have been C,must have beenD.would be

应该选B,could have been的意思是:可能已经…….表示一种猜测.这是一种虚拟语气,本来应该做的事情却没有去做.
这句话的意思是:大多数的学生对这个聚会都很失望,他们说这次聚会本该能够好好地安排的.