Final answer:
Motorcyclist B should either complete the pass in front of rider A if space and safety allow, or fall back behind rider A if the pass cannot be made safely.
Step-by-step explanation:
The question asks for the correct action Motorcyclist B should take while trying to pass a car on a multiple-lane road. Assuming that Motorcyclist B's goal is to pass the car safely while also regrouping with Motorcyclist A, the best option would be:
- Complete the pass in front of rider A: Motorcyclist B should complete the pass if there is enough room to safely merge in front of the car and rider A.
- Return to the lane and ride next to rider A: This would not be ideal as it may impede traffic flow or violate local traffic laws that prevent riding side by side in a single lane.
- Return to the right portion of the lane behind rider A: This is the safest option if there is not sufficient space to complete the pass in front of rider A.
- None of the above: This option is not relevant since the other choices cover the likely actions B can take.
In the context of the scenario provided and considering safety and traffic laws, the most appropriate action would be for Motorcyclist B to complete the pass if it can be done safely or to fall back behind rider A if not.