Write the next sentence in this paragraph:

A woman dressed in a pink tank top and gray tights is demonstrating spinning in a fitness gym. she

Select from the following.
(a). does several moves while twirling and holding in her left hand.
(b). shows the various exercises using the bicycle.
(c). is then shown at a demonstration by another woman and the woman begins to randomly spin around.
(d). spins and throws a barbell into the air with her legs together.
(b).