You Are in Las Vegas in Summer and You See

You are in Las Vegas in summer and you see a dog tied to a fence with no access to shade. As the dog is obviously having problems with the heat, what would be the fastest means of cooling the dog's internal temperature?

A) Put the dog in an 87°F pool of water.
B) Put a few ice cubes in the dog's water bowl.
C) Put the dog in the shade and near a fan.
D) Shave the dog's fur off.