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". 
Problem:Skateboarder to different tricks spinning their boards. people <sep> (A) rides bikes are played. (B) on skateboard are stepping on them spinning them. (C) sit by a building and watch friends skateboard. (D) in sidewalk skateboarding around, doing tricks and making jumps.
Solution:
C