The American College of Veterinary Anesthesiologists and the American Animal

The American College of Veterinary Anesthesiologists and the American Animal Hospital Association are in agreement that animals should be provided with analgesics under which of the following theories?

A) If a procedure is painful to humans, then it will be painful to animals
B) If an animal vocalizes upon recovery, then it is in pain
C) Analgesia options should be left up to the pet owner, since it adds cost to procedures
D) Any procedure which utilizes a scalpel will cause some degree of pain in animals