What obligation do you have if you notice that another vehicle intends to overtake you using the left lane adjacent to yours?
A)Indicate with the right turn signal that they can overtake safely.
B)Decrease speed.
C)Keep close to the right edge of the roadway.Correct
# Explanation
When another vehicle tries to overtake you in the left lane, you must facilitate the maneuver by keeping as close as possible to the right edge of the roadway. This action reduces the distance the other vehicle needs to travel and improves the safety of both drivers during the overtaking.