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by the advances in technology, many farmers have set up wind farms on their land

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by the advances in technology, many farmers have set up wind farms on their land

________ by the advances in technology, many farmers have set up wind farms on their land

A.Being encouraged

B.Encouraging

C.Encouraged

D.Having encouraged

试题答案

C

考查分词作状语。本题看分词和句子主语的关系,主动用v-ing,被动用v-ed,many farmers是被鼓励的。选C。