Questions 18 ～ 21 are based on a letter to an editor of a TV program giving views about boxing. Which one of the following statements is NOT bate, according to the writer

A．Boxing should be prohibited by law.
B．Average parents must know the potential dangers of boxing.
C．The writer intends to launch a campaign against boxing if he can get enough support.
D．However dangerous boxing is, boxing is still a sport.