When a pedestrian is crossing a street or highway guided by a dog or carrying a white cane (or a white cane with a red tip), vehicles must . slow their speed to 25 mph yield the right-of-way and come to a complete stop pull over to the side of the road proceed normally, unless the pedestrian is using a crosswalk

stop at least 10feet away from the pedestrian.

Explanation: The white cane law stipulates you to stop and give right of way at any intersection to a blind person carrying a white cane tipped with red and holding the cane with arm extended, or using a guide dog. Thus, every driver of a vehicle shall yield the right-of-way to a blind pedestrian carrying a visible white cane or accompanied by a guide dog.

stop at least 10 feet away from the pedestrian

Explanation:

When a pedestrian is crossing a street or highway guided by a dog or carrying a white cane (or a white cane with a red tip) means their is likelyhood that the person is blind which was the reason he was using the dog as guide in which the dog has undergone a training on how to guide him when crossing.

White cane with a red tip is also use as a guide for driver to stop for the pedestrian when crossing.

In this case the driver must stop at least 10 feet away from the pedestrian slow their speed to 25 mph yield the right-of-way and come to a complete stop in other for the pedestrian to cross as well as to also make the road visible to other driver in the next lane for them to see that a pedestrian is about to cross unless the pedestrian is using the cross walk.

i am pretty sure it is d.