【题目】________ 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
在线课程【答案】C
【解析】
试题考查过去分词做状语：句意：被科技的进步鼓舞着，很多农民在自己的土地上建起了风力发电厂。逗号前面的是非谓语动词做状语，encourage和这句话的主语many farmers是被动关系，用过去分词做状语，选C。