Write the next sentence in the following story.

She is trying to play the game with not much effort. She hands another racket to a friend. She is not really playing. the other player

Available choices: + puts the ball against the fence again. + hits the ball and she tries hard to keep it caught. + is playing the game with her as a buffer. + is a more serious player as she serves.. The answer should be
is a more serious player as she serves.