Final answer:
d-all of the above. Distance scanning helps you avoid abrupt stops, identify hazards, and avoid radical speed changes.
Step-by-step explanation:
The answer to the question is d- all of the above. Distance scanning helps you avoid abrupt stops by allowing you to anticipate obstacles and adjust your speed accordingly. It also helps you identify hazards by scanning the road ahead for potential dangers. Additionally, distance scanning is crucial in avoiding radical speed changes, as it helps you maintain a safe and consistent speed.