To discourage other drivers from sharing your lane, where is it best to ride?

Answer: B — In the center portion of the lane

Riding in the center portion of the lane is the best choice as it helps to create a buffer zone between you and other vehicles. This positioning makes it less likely for other drivers to encroach upon your lane, as they will perceive you as occupying the space more firmly. By riding in the center, you become more visible to drivers and reduce the risk of being overlooked, especially at intersections or when vehicles are making turns. This approach also allows for better control over the motorcycle, as it helps to avoid road debris, oil stains, and other hazards that are often found near the edges or shoulders of the lane. Therefore, riding in the center promotes both safety and better visibility on the road.