When should headlights and tail lights be used while driving a moped?

• Between one-half hour before sunset and one hour after sunrise
• Between one-half hour before sunset and one-half hour after sunrise
• When you can’t see people or vehicles less than 150 metres away.
• Both B & C
  Explanation:

  "Between one-half hour before sunset and one-half hour after sunrise, and any other time of poor light conditions, such as fog, snow or rain, which keeps you from clearly seeing people or vehicles less than 150 metres away."