What should you do when approaching a stationary authorized emergency vehicle displaying flashing lights while on a highway with multiple lanes carrying traffic in the same direction?

• Speed up and pass the vehicle quickly.
• Slow down and proceed with caution.
• Change lanes into a lane not adjacent to the stationary vehicle, if possible.
• Both B & C.
  Explanation:

  "When approaching a stationary emergency or maintenance vehicle displaying flashing lights, drivers must proceed with caution and, when possible, considering road and traffic conditions, change lanes away from the vehicle."