Deciding Not to Do Something That You Want to Do

Deciding not to do something that you want to do would help to solve a social problem.But the decrease in the social problem would be so very tiny that it's tempting for you to just go ahead and do it anyway.This is an example of the concept of

A) a vicious cycle.
B) rejection of attractive alternatives.
C) somebody's business becoming everybody's business.
D) the tragedy of the commons.