【题目】The new graduate has started several micro-enterprises with his friends, all of ____ are well managed and organized.
A.whomB.thoseC.whichD.them
在线课程【答案】C
【解析】
考查定语从句。句意：这个应届毕业生和他的朋友们已经开了不少微小型企业，且这些企业都管理运作的很好。分析句子可知，逗号后是非限制性定语从句，先行词是micro-enterprises，且从句中作介词of的宾语，故用which。故选C