I was told that the water of the Ganjiang River is much cleaner than of the Xiangjiang River.
A. those
B. one
C. that
D. ones
网友回答
A. those
B. one
(答案→)C. that
D. ones
解析： 本题的含义是别人告诉我赣江的水比湘江的水要干净，比较时，表示同类事物，有of短语修饰，通常用that来代替相同的事物，故本题可用that来代替water，故本题选C。