What happens next in this paragraph?

A group of people holding paintball guns and dressed in costume run into a staged setting as if in combat. The people aim at objects and people and shoot the paintball guns. the players

(a). enter a separate animal pen and all proceed to shoot people.;
(b). begin playing a game of paintball in the middle of the game.;
(c). peer around corners and aim and shoot the paintball guns amidst objects splattered with paint.;
(d). continue to play and aim while people watch on the sidelines.;
(c).