With Regard to a Public Good Provided by the Government

With regard to a public good provided by the government:

A) individuals reveal their demand when they buy the good.
B) a free rider problem is unlikely.
C) individuals have an incentive to conceal their willingness to buy the good if they will not be taxed.
D) individuals have an incentive to exaggerate their willingness to buy the good if they will not be taxed.