Write the next sentence in the following story.

The personal trainer is using an exercise bicycle and peddling the cycle very vigorously. There a few other women who are also biking the stationary bikes. then the personal trainer

Available choices: A). stops exercising and walks around the beam.. B). is exercising on a recumbent bike rhythmically.. C). stops and displays a connection at the bottom of the screen with the trainer's logo.. D). begins exercising using a pair of dumbbells... The answer should be
D).