【题目】The CCTV program, A Bite of China attracts many people to Suqian to taste local food, ________ up to half are from overseas.
A. in which B. for whom
C. with which D. of whom
在线课程【答案】D
【解析】考查定语从句。此处many people作先行词，在后面的非限制性定语从句中作介词of的宾语，“这些人当中的一半来自海外”。故选D。