In Which Situation Can a Prisoner's Dilemma Outcome MOST Likely

Multiple Choice

In which situation can a prisoner's dilemma outcome MOST likely be avoided?

A) if the game is repeated over and over under the same conditions
B) if the players involved choose not to cooperate with one another
C) if each player plays its best-response strategy
D) if the game is played only once with no opportunity for retaliation