According to the article, which of the following parties comrihnted most m the release of the Guildford Four

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

A．The Birmingham Six were believed to have criminal connections with the Guildford Four.
B．The two cases were similar in that both were about pub bombings.
C．Tile bombings in Birmingham happened at the same time.
D．The Birmingham Six also claimed that there were police malpractices in their ease.