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
X-ray findings in chronic otitis media ? 
Select and explain. 
A. Honeycombing of mastoid, B. Sclerosis with cavity in mastoid, C. Clear-cut distinct bony paition between cells, D. None of the above
B: Sclerosis with cavity in mastoid
Answer: B: Sclerosis with cavity in mastoid 
Explanation: Ans. is 'b' i.e., Sclerosis with cavity in mastoid