单项选择题
A．it is true to say artists fail in their work B．it is untrue to say artists fail in their work C．it is true to say some artists fail in their work D．it is true to say only painters fail in their work
A．the number of the expulsions is not large B．the number of the expulsion is wrong C．there are soldiers hiding among the students D．guns are out of control in US schools