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
Cart wheel appearance of Tympanic membrane is seen in which stage of Asom 
Select and explain. 
A. Stage of Tubal occlusion, B. Stage of Resolution, C. Stage of suppuration, D. Stage of Pre-suppuration
D: Stage of Pre-suppuration
Answer: D: Stage of Pre-suppuration 
Explanation: None