Final answer:
When you hear a fire engine siren, you must pull over to the right and stop to give the emergency vehicle the right of way.
Step-by-step explanation:
When you hear a fire engine siren, you must:
A. Pull over to the right and stop
B. Continue driving at the same speed
C. Speed up to clear the way
D. Change lanes to the left
The correct answer is A. Pull over to the right and stop. When you hear a fire engine siren, it indicates that there is an emergency vehicle approaching. Pulling over to the right and stopping allows the emergency vehicle to pass by safely. It is important to give them the right of way to ensure their quick response to emergencies.