What should a driver do before making a U-turn?

Answer: B — Ensure the road is clear and that U-turns are permitted

Before making a U-turn, it is essential for a driver to ensure that the road is clear and that U-turns are permitted at that location. This involves checking for other vehicles, pedestrians, and any obstacles that may be in the way. It is also critical to confirm that there are no signs prohibiting U-turns, as not all intersections allow this maneuver. Ensuring a clear road and checking for permission helps in making the turn safely and legally, thus minimizing the risk of accidents. Defensive driving practices emphasize the importance of always being aware of one's surroundings prior to executing maneuvers like U-turns.