Final answer:
Turn signals are mandatory and must be used every time a driver makes a maneuver on the road, so the correct answer is D. none of the above.
Step-by-step explanation:
option d is correct Using your turn signals is not optional in any circumstance when operating a vehicle on the road. The use of turn signals is a crucial aspect of safe driving and is required by law in most places to indicate your intentions to other road users. Therefore, the answer to the question is D. none of the above. Whether you are changing lanes, merging into traffic, returning to your lane after passing another vehicle, or any other maneuver, using your turn signals is mandatory to ensure your safety and the safety of others.
Using your turn signals is only optional when changing lanes when no one is around, merging into the flow of traffic under 25 mph, and returning to your lane after passing another vehicle. This means that the correct answer would be D) none of the above.