Concept:The highest ruling body in Nigeria changed with each military government.During Babangida's regime, the Armed Forces Ruling Council was the supreme organ.Explanation:When General Babangida came to power, he replaced the Supreme Military Council with the Armed Forces Ruling Council.This council was the highest decision-making body of the state at that time.It exercised both executive and legislative powers until the regime ended.Answer:B. Armed Forces Ruling Council