You are driving in a municipal area. a large truck has stopped on the road ahead, and is now starting to back up into a property beside the road. you should a. slow down, honk your horn to warn the truck driver you are there, and drive past the truck with caution. b. stay well back from the truck and let the truck driver complete their maneuver. the truck may block most of the road when backing up. c. flash your high beam headlights to warn the truck driver you are there, and then drive past the truck without stopping.