Passage: 'The Office of Special Investigations conducts criminal, fraud, and counterintelligence investigations for the Department of the Air Force. Agents are drawn from active-duty officers and enlisted Airmen, civilians, and reservists.' According to the passage, who can serve as OSI agents?
- AOnly active-duty officers
- BOfficers, enlisted Airmen, civilians, and reservists
- COnly civilians with prior law enforcement experience
- DOnly enlisted Airmen below the rank of sergeant