Ben and Lauren Decide to Go to a Magic Show

Ben and Lauren decide to go to a magic show for date night. The magician is supposed to be an expert in hypnosis who has previously taken complete control over the people he hypnotizes. The hypnotist can make people do crazy things like lift a car or even re-live some of their childhood memories. Ben is very excited about the magic show and believes that this type of hypnosis is real, but Lauren is more skeptical.
-Lauren is still not impressed after the show and invites Ben to a class of open monitoring meditation she regularly attends.In this class,Ben is instructed to _________________________.

A) completely empty his mind and not think of anything at all
B) close his eyes and think of a happy childhood memory
C) focus his complete attention on his breathing
D) act as a detached observer of his own thoughts