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

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
请将语法结构详细分析一下，如为什么要用inged等等多谢了

答案

C.受先进科技的鼓舞,许多农民都在地里建起了有风车的农场.（额 后半句英语就没看懂,照字面翻译的）通常来说,加ED的时候表示被动,ing 多表示目前状态.如,being a mother,susan realized that she should stop his son...