How should you adjust the following distance in bad weather?

Answer: C — Increase it to 3-5 seconds

In adverse weather conditions, such as rain, snow, or fog, it is essential to increase your following distance to 3-5 seconds. This adjustment allows for adequate reaction time to respond to unexpected events, such as a sudden stop by the vehicle in front of you. Bad weather can significantly impact road traction and visibility, which may cause your vehicle to require a longer distance to stop safely. By extending the following distance, you create a buffer zone that helps ensure you can maintain control and reduce the likelihood of a collision. Additionally, the decreased visibility and slippery conditions may prevent you from reacting as quickly, thus necessitating that greater space for safety.