When You Hear Uncle Rico Dismissing Any Placebo Effect of Pain

When you hear Uncle Rico dismissing any placebo effect of pain relief as "all in the mind," you can set him straight by ______.

A) stating that placebos activate the same brain areas as opiates
B) arguing that placebo pain relief is just the same as hypnotic pain relief
C) arguing that hypnosis can block placebo pain relief
D) arguing that placebo pain relief is a physical process that can be abolished with an endorphin blocker