Q: 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".
There's a gymnast dressed red leotards performing gymnastics on a horse bar in an indoor gym with another gymnast, some judges and spectators. the gymnast <sep> (A) is flashing her ring and then performs while flipping the bar. (B) jumps off the horse bar and lands lightly in a red tiled aerobics gym. (C) helmet the coaches then shows a white screen on which he begins to demonstrate how the exercises are performed. (D) begins by getting onto the horse bar and does some front and back hand springs.
A:
D