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 female diabetic having severe ear pain, granulation tissue in external auditary canal and facial palsy is due to - 
Select and explain. 
A. Malignant otits externa, B. Herpes zoster otitis, C. Otomycosis, D. None
A: Malignant otits externa
Answer: A: Malignant otits externa 
Explanation: None