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 60 year old diabetic patient presents with extermely painful lesion in the external ear and otorrhea not responding to antibiotics. There is evidence of granulation type tissue in the external ear and bony erosion with facial nerve palsy is noted. The most likely diagnosis is- 
Select and explain. 
A. Malignant Otitis Externa, B. Nasopharyngeal carcinoma, C. Chronic suppurative otitis media, D. Acute suppurative otitis media
A: Malignant Otitis Externa
Answer: A: Malignant Otitis Externa 
Explanation: None