As root, you entered the runlevel command. What does the following output indicate? N 5
A. You are in runlevel 5. A previous runlevel is not available.
B. You are in runlevel 5. A previous runlevel was 3 (network).
C. You are in runlevel 3 (network). The system is changing now to runlevel 5.
D. You are currently in no runlevel. The system is changing now to runlevel 5.