题目内容
________ for several weeks,the city needed food.
| A.As having flooded | B.Being flooded |
| C.Having been flooded | D.To flood |
C
the city与flood间为被动关系。flood的动作发生在need之前,因此本空用现在分词被动语态的完成式,而不可以是过去分词。
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