Act Consequentialism, in General, Claims That the Best Thing to Do

Act consequentialism, in general, claims that the best thing to do, in any circumstance, is

A) that action that will maximize the aggregate good.
B) that action that will maximize the aggregate utility.
C) to follow that system of rules that-if generally accepted and followed-would maximize the greatest happiness of the greatest number.
D) to follow that system of rules that-if generally accepted and followed-would maximize aggregate utility.