According to Mill How Can We Know Which Pleasures Ought

According to Mill how can we know which pleasures ought to be pursued?

A) There is no universal standard, each person should pursue whatever feels good to him or her.
B) The government should decide this for its citizens.
C) Those persons who have had the widest range of experience know that the higher, refined pleasures are better.
D) Since most people prefer physical pleasure over elitist, intellectual pleasures, the will of the majority cannot be wrong.