A 55-year-old client was admitted to the psychiatric unit after an incident in a department store in which the client accused a sales clerk of following the client around the store and stealing the client's keys. The client was subdued by the police after destroying a window display because voices had told the client that it was evil. As the nurse approached the client, the client says, "You're all out to get me, and you're one of them. They're Rostoputians and grog babies here." This demonstrates what?
a) Catatonia
b) Paranoia
c) Anhedonia
d) Alogia