Which of the Following Happens When the Prisoners' Dilemma Game

Multiple Choice

Which of the following happens when the prisoners' dilemma game is repeated numerous times in an oligopoly market?
(i) the firms might reach the monopoly outcome
(ii) the firms might reach the cooperative outcome
(iii) society will always be better off

A) (i) and (ii)
B) (ii) and (iii)
C) (i) and (iii)
D) (ii) only