This Prisoner's Dilemma Game Shows the Payoffs Associated with Two

This prisoner's dilemma game shows the payoffs associated with two firms,A and B,in an oligopoly and their choices to either collude with one another or not.
According to the matrix shown,the profit-maximizing outcome for the firms is:

A) to act like a monopolist and both collude.
B) to both compete.
C) for Firm A to compete and Firm B to collude.
D) for Firm B to compete and Firm A to collude.