What drivers should do when they see a person standing on the sidewalk and appearing to cross the road at the crosswalk

A、Tap the brakes to warn the car after you know you are about to stop. and stop the car across the road
B、Honk the horn to warn people to cross the road and speed past them.
C、Overtake the car parked to the crosser and pass quickly.
D、Drive closely behind the rear of the vehicle in front without stopping for pedestrians to cross the road.