What should you do if you have difficulty concentrating when riding?

• A. Stop immediately and rest.
  Explanation:

  "Riding a motorcycle is more tiring than driving a car. You should stop immediately and take a break."
• B. Ride without gloves and in a short sleeves shirt to allow the wind on your body to help you concentrate.
• C. Constantly change your speed up and down to help you concentrate on what you are doing.