In Order to Manage the Chronic Pain Sarah Lives with as a Result

In order to manage the chronic pain Sarah lives with as a result of a skiing accident, she undergoes hypnosis. The hypnosis is supposed to increase her pain tolerance as measured by the amount of pain medications she uses before and after the hypnosis. Sure enough, Sarah reports that the level of pain she used to experience has decreased and the pain medication she requires is reduced after just a few hypnotic sessions. Which of the following is NOT true of this result?

A) The placebo effect is solely responsible for the reduced pain.
B) Nonhypnotic techniques have also produced this effect.
C) Distractions were used to reduce the feeling of pain.
D) Hypnosis has modified the neural activity in Sarah's brain.