You Are Attending a Demonstration in Which a Hypnotist Tries

You are attending a demonstration in which a hypnotist tries to hypnotize volunteers from the audience. After using a hypnotic induction, 9 out of 10 volunteers appear to be in some kind of altered state. What is the most likely explanation for why the one volunteer was unaffected by the hypnotic induction?

A) they have a low susceptibility to hypnosis
B) they are too intelligent to be hypnotized
C) they were not paying attention to the hypnotic induction
D) they are not intelligent enough to be hypnotized
E) none of these explanations make sense