How should a driver respond when in bumper-to-bumper traffic and an emergency vehicle approaches?

Answer: B — Move to the right for the right lane and to the left for the left lane

When an emergency vehicle approaches in bumper-to-bumper traffic, the correct response is to move to the right for the right lane and to the left for the left lane. This action is crucial as it helps clear the lane for the emergency vehicle to pass safely and efficiently. Emergency vehicles are often responding to urgent situations, and giving them a clear path is vital to ensure they can reach their destination without delay. In situations where traffic is congested, simply staying in place or proceeding slowly without making room can obstruct the emergency vehicle's way, potentially delaying their response. Ignoring the emergency vehicle entirely is not only unsafe but may also be illegal, as drivers have a responsibility to yield to these vehicles when they are using their lights and sirens.