According to seat belt rules, who must wear seat belts in the front of a vehicle?

Answer: C — All passengers

The correct choice is that all passengers in the front of a vehicle must wear seat belts. This rule is in place to enhance vehicle safety for all occupants, as seat belts significantly reduce the risk of injury or death in the event of an accident. The law typically mandates that anyone seated in the front seats, including both the driver and any passenger, must use seat belts, ensuring that everyone is protected. This comprehensive requirement not only helps individuals comply with safety regulations but also fosters a culture of safety in vehicles, emphasizing that every occupant's protection is paramount regardless of their age or relationship to the driver. This perspective aligns with the understanding that the vehicle's design and safety features, such as airbags, work most effectively when all occupants are secured with seat belts. Therefore, compliance with seat belt laws is crucial for the safety of everyone in the vehicle and reflects broader public safety measures on the road.