In Which Situation Can a Police Officer in Charge at the Police

In which situation can a police officer in charge at the police station to which an accused is taken NOT use his or her discretion to release the suspect?

A) if the justice of the peace determines otherwise
B) if the suspect is charged with a criminal offence punishable by imprisonment of 25 years of more
C) if the suspect is felt to pose a threat to the public
D) if the suspect has no prior violent offences