A nurse is assisting in a group therapy meeting and is sharing a humorous story unrelated to anyone in the group. When the group laughs at the story, a client who has schizophrenia jumps up and runs out while yelling. "You are all making fun of me!" Which of the following behaviors is this client displaying?

A. Ideas of reference: Ideas of reference involve the belief that common elements of the environment are directly related to oneself. The client’s belief that the group’s laughter is about them, despite unrelated content, fits this description. B. Somatic delusion: Somatic delusions involve false beliefs about one's body or health. The client’s reaction is more related to perceived social interactions rather than beliefs about their own health. C. Erotomania: Erotomania involves the belief that someone is in love with the individual, which is not relevant to the described situation. D. Grandeur: Delusions of grandeur involve believing one has exceptional abilities or status. The client’s reaction does not fit this description.