Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) Government cannot remove individuals from a prisoner's dilemma setting and make them better off.
B) As long as government charges each individual a tax that is more than the gain received by being removed from a prisoner's dilemma setting,then government makes that individual better off.
C) Government can remove individuals from a prisoner's dilemma setting by changing the payoff matrix.
D) a and c
E) all of the above