An in the News Article Is Titled "Dirty Air Can

An In the News article is titled "Dirty Air Can Shorten Your Life." From a social perspective, this suggests that

A) Businesses usually consider the social implications of their production processes.
B) There is no market failure since the polluting firms are producing desirable goods.
C) Too much output is being produced by the polluting firms.
D) Too little output is being produced by the polluting firms.