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".

Barack obama is seen playing a game of pool while many watch and take pictures around the table. he <sep> (A) continues to play continuously until a man walk in and pulls the cue from his mouth and just sits at the table. (B) continues to play on the side with many laughing and making faces. (C) finishes by throwing some balls into the pockets and walks away. (D) plays with another man who smiles nervously and the president continues walking around the table shooting balls.
D