What is necessary if you want to carry a passenger on a motorcycle?

Answer: B — Footrest for the passenger

To legally and safely carry a passenger on a motorcycle, it is essential that the motorcycle is equipped with footrests for the passenger. Footrests provide a secure and stable place for the passenger to place their feet, ensuring they can maintain balance and stability while the motorcycle is in motion. This aspect is crucial for the safety of both the rider and the passenger, as it helps prevent accidents that could arise from improper positioning or losing balance while riding. Although having a helmet for the passenger is also vital for safety and is often mandated by law, the question specifically addresses what is necessary for riding, highlighting the importance of physical support such as footrests. Similarly, while comfort items like a backrest and extra storage space may enhance the riding experience, they are not requirements for safely carrying a passenger. Therefore, the focus on footrests emphasizes the primary need for passenger safety during a motorcycle ride.