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

A guy is making a campfire with a blowtorch. People are standing around the campfire. a man

Available choices:
(a). trips and falls in the fire pit.;
(b). is blowing a signal with an electric torch.;
(c). picks up sticks from the ground.;
(d). is putting candy into the campfire using pods.;
(c).