The median of the number of runs scored by a baseball team in its last 9 games is 7. Which of the following statements must be true? A) The team must have scored 10 runs in at least one of the games. B) The team must have scored 6 runs in at least one of the games. C) The team must have scored 7 runs in at least one of the games. D) None of the above choices must be true.