问题
选择题
Some people prefer to work and live in Chengdu, for the price of an apartment is less than half of ________ of big cities like Beijing, Shanghai, and Guangzhou.
A．it
B．what
C．that
D．One
答案
答案：C
考查代词。句中that指代前面的the price，指代不可数名词，故选C。