As we all know the problems of environmental pollution facing us today are far from .A. s

问题补充：

As we all know, the problems of environmental pollution facing us today are far from .

A. solving

B. being solved

C. having solved

D. solved

答案：

A. solving

(答案→)B. being solved

C. having solved

D. solved

解析：far from意为“远远不，完全不”，后跟形容词或动词的-ing形式。因为solve与主语之间是被动关系，因此用被动语态。句意为：众所周知，我们今天面临的环境污染问题还远远没有得到解决。