The plan to be carried out next month needs among the members of the labor union before .
A. to discuss, carrying out
B. to be carried out, carried out
C. discussing, being carried out
D. discussed, to be carried out
网友回答
A. to discuss, carrying out
B. to be carried out, carried out
(答案→)C. discussing, being carried out
D. discussed, to be carried out
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。