“Bill, keep the things ___________ here secret, will you ?”said the manager after the meeting.A.discussedB.being discussedC.to be discussedD.having been discussed
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A解析D项分词完成时态不能作定语,discussed作定语表示已讨论过的,being discussed表示正在被讨论的,to be discussed表示将要被讨论的,根据after the meeting可知已讨论过了。