Which of the following statements made by the nurse to the client's family is true of the treatment of people with mental illness in the United States today?

A. Substance abuse is not effectively managed with brief hospitalization; long-term, comprehensive treatment is usually needed. B. It is true that only about one in four individuals who need mental health services actually receive them, reflecting gaps in access and utilization. C. Emergency department visits for acute psychiatric disturbances are not declining; in fact, they are often increasing due to limited community resources. D. Although deinstitutionalization aimed to shift resources from state hospitals to community programs, in reality, adequate funding for community support has often not been provided.