559.When a motorcycle approaches a pedestrian crossing without traffic signals,which of the following statements about the rider's proper behavior is correct?(A) If the rider visually confirms there are no pedestrians on the crosswalk,they may maintain their current speed and pass through. (B) Regardless ofwhether there are pedestrians on the crosswalk, the rider should slow downand approach cautiously. (C) If pedestrians have not yet stepped onto thecrosswalk, vehicles have right of way.