How do you start up an OS X Mountain Lion computer in single-user mode?

Question

Options

• AHold down Shift-Option while the computer restarts.
• BHold down Command-S while the computer restarts.
• CStart up from the Mountain Lion Recovery system partition, and enter the command reboot - single in
• DSelect Single-User Mode in the Startup Disk pane of System Preferences and restart the computer.

• A
  4% (2)
• B
  71% (36)
• C
  16% (8)
• D
  10% (5)

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