This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Operative Surgery, Subject name: ENT
Adenoidectomy is contraindicated in which of the following? 
Select and explain. 
A. Bleeding disorder, B. Infection, C. Submucous palate, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. is 'd' All of the above Contraindications for adenoidectomy* Cleft palate or submucous palate* Hemorrhagic diathesis* Acute infection of upper respiratory tract