Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: A female is laying on her back exercising inside of a gym. She is wearing black and pink and just looks very comfortable while she works out. she <sep> (A) brings her arms up and her legs up to the center of her body. (B) moves her arms up and down continuously from a forward motion. (C) continues to jog around and kind of gyrates back and fourth to exercise. (D) has a mini mirror over her shoulder that shows her how to properly do a topless squatting position.
A:
A