If everyone pours less polluted water into Dianchi Lake it will be .A. deeper and deeperB

问题补充：

If everyone pours less polluted water into Dianchi Lake, it will be .

A. deeper and deeper

B. cleaner and cleaner

C. dirtier and dirtier

D. wider and wider

答案：

A. deeper and deeper

(答案→)B. cleaner and cleaner

C. dirtier and dirtier

D. wider and wider

解析：考查点：形容词比较级辨析。解题思路：根据句意：如果每个人少倒污水进滇池，那么滇池就会越来越干净。