What are the VFR and IFR fuel reserves required for rotary wing aircraft? (AR 95-1, 5-2)

A. VFR: 20 minutes, IFR: 30 minutes
B. VFR: 30 minutes, IFR: 45 minutes
C. VFR: 45 minutes, IFR: 60 minutes
D. VFR: 60 minutes, IFR: 75 minutes