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

People are in a roofed gym walking. little kid

OPTIONS:
 A). is doing gymnastics and its hanging from a tube.;
 B). is in a concrete arc pushing a swing and doing tricks.;
 C). is standing on front iouts in a makeshift sand court in a roofed gym.;
 D). is in a weight lifting machine and heard man talking about the exercise and getting the motivation to do it.;
A).