Which statement about emergency stopping distance is correct?

Answer: B — You should stay at least 4 seconds behind

The correct statement emphasizes the importance of maintaining a safe following distance, particularly in emergency situations. Staying at least 4 seconds behind the vehicle in front of you allows for adequate reaction time, especially if the vehicle suddenly brakes. This distance provides enough time to assess the situation and react, reducing the risk of collisions during emergencies. Factors such as weather, road conditions, and the speed at which you're traveling can significantly affect stopping distances. By allowing a minimum of 4 seconds, you create a buffer that accounts for these variables, thus enhancing safety for yourself and others on the road.