The Person in the Case Described by Solyom Et Al

The person in the case described by Solyom et al. (1987) was able to successfully treat his compulsions by

A) taking antibiotics, which eliminated a brain infection.
B) a bar fight resulting in damage to his cingulum bundle.
C) damaging his own frontal cortex by firing a bullet into his brain.
D) ingesting herbal supplements that destroy the caudate nucleus.
E) moving to a country in which his compulsions were socially acceptable.