This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Best results are obtained in oral submucous fibrosis is by: 
Select and explain. 
A. Intralesional cortisone therapy, with hyaluronic acid, B. Oral cortisone with intralesional therapy (cortisone), C. Vitamin E and oral cortisone, D. Intralesional placental extract
A: Intralesional cortisone therapy, with hyaluronic acid
Answer: A: Intralesional cortisone therapy, with hyaluronic acid 
Explanation: None