______,the plan must be thought over time and again.

______,the plan must be thought over time and again.
A.Before being carried out B.Before carried out C.Carried out D.To carry out (A)为什么c不行呢?过去分词短语做状语表被动啊~

第14个 1年前已收到3个回答举报

鸡年小羊幼苗

共回答了13个问题采纳率：76.9% 举报

这道题目是被动,排除b,d,过去分词短语做状语表被动,不能这么说的,只能在前后主语一致时,省略主语和be动词,若是c,那是（it is） Carried out ,the plan…… 没有逻辑顺序啊.Before（it is） being carried out 在它被执行之前

1年前

8mamiv 幼苗

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拒绝色彩幼苗

共回答了1041个问题举报

在实施这项计划前，要反复考虑
C 表示的是已经实施完毕 D 是即将要实施但句中plan是主语，只能用被动语态 B 讲不通
只有A吻合句意

1年前

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你能帮帮他们吗

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