What should you do if you are approaching a stopped school bus with its upper alternating red lights flashing and it is loading or unloading passengers?

• You should slow down and slowly pass through the bus.
• You must come to a complete stop behind that bus.
  Explanation:

  "

  You must stop whenever you approach a stopped school bus with its upper alternating red lights flashing that is loading or unloading passengers, regardless of whether you are behind the bus or approaching it from the opposite direction.

  "
• You should change your lane and pass through without caution.
• You should speed up and pass through as quickly as you can.