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: ENT
A 10 year boy presents with discharge and hearing disturbance in the left ear. On examination of the left ear, a central perforation is noted. Which of the following is the surgical management of choice in this patient? 
Select and explain. 
A. Myringoplasty, B. Modified radical mastoidectomy, C. Radical mastoidectomy, D. Clearance and antibiotics
A: Myringoplasty
Answer: A: Myringoplasty 
Explanation: Ans. A. Myringoplasty