35. Which of the following sets of subheadings would be most appropriate for organizing the passage above? (A) Historical Background； Core Principles； Real-World Application； Roles of Teachers and Students； Summary (B) Background and Development； Fundamental Concepts； Implementation in Education； Role of the Teacher and Student； Conclusion (C) Development and Adoption； Key Teaching Methods； Application of Competencies； Educator and Learner Dynamics； Summary (D) Historical Trends； Essential Principles； General Practices； Participant Dynamics； Conclusion