【题目】（题文）（2016 江苏卷）Many young people, most _________were well-educated, headed for remote regions to chase their dreams.
A. of which B. of them
C. of whom D. of those
在线课程【答案】C
【解析】试题考查定语从句。本题定语从句的先行词是Many young people，关系代词whom指代先行词，在定语从句中作介词of的宾语。故C项正确。