We should think of ways to stop the waste from the factory our living environment.A. bein

问题补充：

We should think of ways to stop the waste from the factory our living environment.

A. being polluted

B. polluting

C. from being polluted

D. polluted

答案：

A. being polluted

(答案→)B. polluting

C. from being polluted

D. polluted

解析：

根据“废物”与“环境”的关系，“废物”污染“环境”，为主动发出的动作，故答案选B。