A．convictions can be made on confessions and statements taken by police officers from accused persons and are valid legal evidence
B．convictions can’t be made on confessions alone and there should be a third party when tak ing statements from accused persons
C．convictions can be made on confessions and a third party should be present when taking statements from accused persons
D．convictions can’t be made on confessions alone and the statements taken by police officers from accused persons are valid legal evidence

A．The media.
B．The Japanese culture.
C．The general attitude of the Japanese population.
D．The sportsmanship.