Teacher: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".
Teacher: Now, understand the problem? Solve this instance: A large, blue ball is tossed in the air. a child <sep> (A) runs to catch a blue, large ball. (B) is thrown onto the board. (C) flies off a bridge. (D) is then shown floating on a tube down a river.
Student:
A