Claiming that she heard a voice commanding her to warn other people that eating is harmful, Sandy attempts to convince others in a restaurant not to eat. The psychiatrist to whom she is referred finds that Sandy's thinking and speech are often fragmented and incoherent. In addition, Sandy has an unreasonable fear that someone is out to get her and consequently trusts no one. Her condition is most indicative of:. A) schizophrenia. B) generalized anxiety disorder. C) a phobia. D) obsessive-compulsive disorder. E) personality disorder.