Regulatory Activity Relating to the Environment Has Actually Meant That

Regulatory activity relating to the environment has actually meant that the environment today

A) is no better than it was during the 1960s.
B) is actually worse than it was during the 1960s.
C) is vastly more clean than it was during the 1960s.
D) is so free from pollution that further regulatory activity in the future seems pointless.
E) None of these answers is correct.