What is meant by the term "revolving door effect" in mental health care?

A. The "revolving door effect" refers to shorter and more frequent hospitalizations of individuals with severe and persistent mental illness, often due to premature discharge and lack of adequate community support. B. This describes cost-effective treatment, not the revolving door effect. C. Flexible treatment settings relate to community-based care options, not repeated hospital readmissions. D. The revolving door effect does not indicate a reduction in severe mental illness; instead, it highlights recurring hospitalizations.