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".

People are in a roofed gym walking. little kid <sep> (A) is doing gymnastics and its hanging from a tube. (B) is in a concrete arc pushing a swing and doing tricks. (C) is standing on front iouts in a makeshift sand court in a roofed gym. (D) is in a weight lifting machine and heard man talking about the exercise and getting the motivation to do it.
A