What action should be taken at a stop sign?

Answer: B — Come to a complete stop and then proceed

At a stop sign, the correct action is to come to a complete stop and then proceed. This rule is designed to ensure the safety of all road users by allowing drivers and motorcyclists to assess the intersection for oncoming traffic or pedestrians before making a move. A complete stop allows you to observe the road conditions thoroughly and judge whether it is safe to proceed. Rolling through the intersection cautiously does not provide the same level of assurance regarding safety, as it may not allow enough time to properly gauge the situation. While waiting for other vehicles to pass or signaling before stopping may be considerate actions in certain situations, they do not fulfill the legal requirement of coming to a complete stop at a stop sign. Following the proper protocol at stop signs helps prevent accidents and promotes safe navigation through intersections.