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".

He walks into the arena and talks with two fencers. One of the fencers puts on a fencing suit on the man. the fencer <sep> (A) mounts a horse and vaults over a horse against the other man on the horse. (B) plays lacrosse with the man over the fence. (C) then demonstrates and gives the man a lesson in fencing. (D) bows to the camera.
C