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
Most common extra-cranial complication of ASOM is - 
Select and explain. 
A. Facial nerve paralysis, B. Lateral sinus thrombosis, C. Mastoiditis, D. Brain abscess
C: Mastoiditis
Answer: C: Mastoiditis 
Explanation: None