Question: A horse is kicked out of the barn on a hot summer's day, because the stalls need mucked, and the workers have difficulty cleaning around the horses. So the horse is standing in the field, in direct sunlight, and begins to overheat a bit. In order to stand the heat better, the horse

  Options: 
 A. eats
 B. stamps
 C. neighs
 D. perspires
Answer: D