When is it advisable to use your motorcycle's high beam headlights?

Answer: C — In low-visibility conditions, unless you're following another vehicle

Using high beam headlights is particularly advisable in low-visibility conditions because they provide greater illumination of the road and surrounding environment, which is essential for safety. High beams can cut through darker areas or inclement weather such as fog, rain, or nighttime riding, allowing the rider to see further ahead and recognize potential hazards more easily. However, it is important to consider the presence of other vehicles when using high beams. If you are following another vehicle, high beams can create glare that impairs the vision of the driver in front of you, making it unsafe. Therefore, it's effective to use high beams in low-light situations only when there is no oncoming traffic or when you are not closely following another vehicle, as this helps maintain safety for all road users.