In Which of the Following Situations Does a Battery Occur

In which of the following situations does a battery occur?

A) Johnson is tackled during a college football game he is playing in and suffers an injury to his back.
B) O'Grady is injured by a punch in the nose received by a boxing opponent during a boxing match.
C) Biggs is hit in the head by a wild pitch and seriously injured while batting in a hardball game.
D) Williams is deliberately tripped and seriously injured by an unfriendly movie patron trying to get ahead of Williams in the ticket line.