【题目】Recently I bought an ancient Chinese vase, ________ was very reasonable.
A. which price B. the price of which
C. its price D. the price of whose
在线课程【答案】B
【解析】考查“名词＋of which”引导的定语从句。这里含有一个定语从句，the price of which相当于of which the price或whose price，所以选B。