Question

________ for several weeks，the city needed food.

A．As having flooded B．Being flooded

C．Having been flooded D．To flood

 

Answer 1

C

【解析】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。