Can a school bus driver use their cell phone while driving if they are hands-free?

Answer: B — No, it is prohibited

Using a cell phone while driving a school bus is strictly prohibited, even if the device is hands-free. This regulation is in place to ensure the safety of children and other road users, as distracted driving can lead to accidents. School bus drivers are responsible for ensuring that they are fully focused on the road and the safety of their passengers at all times. While some exceptions may apply to emergency situations, the general rule is that school bus drivers should not engage with their cell phones in any capacity while driving to maintain complete attention to their driving responsibilities. This is why the selected answer emphasizes the prohibition against cell phone use.