问题
单项选择题
The air of countryside is cleaner than ______ of city, but I don't like to live ______ far.
A．it; that
B．one; very
C．that; that
D．one; that
答案
参考答案：C
解析： 前一个that指代air，两者比较，前后形式保持一致；that far那么远。故选C。