What happens next in this paragraph?

She is demonstrating the dumbbells that she will be using. She then demonstrates the exercise bike and continues to bike along with some other women at the gym. she
Options:
(A). explains how to do some rigorous exercise on the bike.;
(B). is then shown at the gym as well as in the pool performing flips and stunts.;
(C). then is shown walking on the cheer beam and starting to do several cheers.;
(D). uses the exercise bike to do a squat while picking up a pole and then landing the pole back on the ground.;
(A).