问题
选择题
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
答案
答案：B
B。the price of which was very reasonable 为非限制性定语从句，其中的 the price of which 相当于 and its price 或 and the price of it。假若空格前有并列连词 and，则可选 C。