How often should a driver inspect their vehicle?

Answer: B — Before each trip

Inspecting a vehicle before each trip is crucial for ensuring safety on the road. This practice allows the driver to check for any issues that could potentially hinder the vehicle's performance or compromise safety. It includes checking important components such as brakes, lights, tires, and fluid levels. Conducting these inspections before each trip helps in identifying problems early, which can prevent accidents and breakdowns. It is a proactive approach that emphasizes safety regulations and the driver's responsibility to maintain their vehicle in a safe condition. Regular inspections not only enhance safety but also comply with legal requirements for commercial driving, making it an essential part of a driver's routine. Other options suggest less frequent inspections, which do not align with safety best practices. For instance, inspecting a vehicle only once a month or after every other trip could lead to undetected issues that may develop over time. Weekly inspections, while beneficial, are still not as immediate and thorough as performing checks before every trip. Thus, the practice of inspecting the vehicle before each trip stands out as the most responsible and effective approach.