单选题The plan to be carri

问题补充：

单选题Theplantobecarriedoutnextmonthneeds_______amongthemembersofthelaborunionbefore_________.A.to discuss, carrying outB.to be carried out, carried outC.discussing, being carried outD.discussed, to be carried out

答案：

C解析考查固定短语和动名词用法。Sth Need doing=sth need to be done需要做某事；before是介词，后面接动名词，根据句意可知计划和执行存在被动关系，所以使用过去分词表示被动。