When a pedestrian is crossing a street guided by a dog or carrying a white cane, a. sound your horn to alert them of your presence. b. all traffic must stop. c. leave it to the dog to know when it is safe to proceed

A is the correct answer.

Explanation:

Blind people cross the streets using guide dogs, auditory electronic aids and white cane. Blind people have to locate the correct street. They also use traffic sounds and other auditory warnings, they also develop mental maps of the particular area. Drivers must cooperate and help the blind person crossing the road by slowing down the car or by honking to make the blind person aware of the traffic.

51% were unhappy, i think .   ; )