this problem has been settled ,it __any more

问题描述:

this problem has been settled ,it __any more
A needs discussing B needs to be discussed C needn't being discussed D doesn't need discussing

D .前句表示“已经”解决了.故选项应有否定,就是说不用再讨论的意思.C选项中情态动词的被动语态,need后面应该跟动词的原型,如果改成needn't be discussed就对了.故选D.