In a Prisoners' Dilemma Game

Multiple Choice

In a prisoners' dilemma game,

A) the solution when playing the game once will be the same as the solution when the players play the game repeatedly, since agreements cannot be maintained in a prisoners' dilemma.
B) if the players play the game repeatedly, the players can achieve a higher payoff, on average, than when they play the game only once.
C) repeated play will always result in a better outcome for both players than when the game is played only once.
D) the tit-for-tat strategy in repeated play requires players to always select the opposite strategy as their opponent.