Multi-select problem: How does the next paragraph end?

A man is seen gearing up and walking through a forest with others. They walk to a paintball field and aim their guns around the area. the men

OPT:
 (a). chase an object while people watch on the side.;
 (b). then begin shooting others and playing paintball.;
 (c). continue to fire around a target and people walk along the sides.;
 (d). walk back and fourth on the field while looking to the camera.;
(b).