If you get sleepy while driving, it is best to If you get sleepy while driving, it is best to

• A. Stop, rest, and change drivers if possible.
• B. Turn on the radio very loud.
• C. Turn on the air conditioning or open the windows.
•  

  The correct answer is A

   

  Correct. Turning up the radio and opening the windows have negligible effect on tiredness. Stopping and resting until you are not tired, or changing drivers is the best solution.