Which One of the Following Patients Should Receive Supplemental Oxygen

Which one of the following patients should receive supplemental oxygen with a nonrebreather mask or nasal cannula?

A) 39-year-old male with a sprained ankle and breathing 16 times per minute
B) 18-year-old who overdosed on a drug and is unresponsive and breathing 6 times a minute
C) 42-year-old female who is confused, weak, and dizzy, and adequately breathing 14 times per minute
D) 61-year-old male who is unresponsive with a foreign body airway obstruction that cannot be removed with abdominal thrusts