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". 
The boy hands the tooth brush to someone. The boy dances his feet on a wood floor. toothpaste <sep> (A) is taken from a bottle and collected outside. (B) is applied to the toothbrush and handed to the boy. (C) splashes his hand. (D) is brushed in a bowl.
A:
B