One Study Had Participants Play City Crisis,a Prosocial Video Game,while

One study had participants play City Crisis,a prosocial video game,while a second group played Tetris,a non-prosocial video game.All of the participants were then exposed to a female experimenter being harassed by her hostile ex-boyfriend.The results were that:

A) participants playing the prosocial video game tended to intervene to help the experimenter more than those playing the non-prosocial video game.
B) participants playing the non-prosocial video game tended to intervene to help the experimenter more than those playing the prosocial video game.
C) participants playing the prosocial video game tended to intervene to help the experimenter more than those playing the non-prosocial video game,but only if they liked her.
D) there were no differences between the groups in their intervention to help.