Final answer:
When a tram slows down and stops at a tram stop while you're driving behind it, you should come to a complete stop to ensure the safety of pedestrians.
Step-by-step explanation:
When you are driving behind a tram and it slows down and stops at a tram stop, it is important to follow traffic rules and regulations to ensure safety for everyone, including pedestrians. The correct action would be to: Stop. This ensures that you do not pass the tram when it is unsafe, especially as pedestrians may be crossing in front of the tram. It's crucial to always be prepared to stop and yield to pedestrians who might be getting on or off public transportation.