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".
Input: She lies on the floor and does aerobic exercises before getting back on the recumbent bike for an extended period of time. she <sep> (A) is then shown working out on the bike and begins to move the gears into place in a circular motion. (B) then mounts the recumbent bike and begins doing abdominal crunches before getting back on the bike. (C) finally slows to a stop. (D) does cardio and talks then walks off of the bench and back again before getting off the bike.
Output:
C