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: Anatomy
Position of adenoid is in the ? 
Select and explain. 
A. Hypopharynx, B. Oropharynx, C. Trachea, D. Nasopharynx
D: Nasopharynx
Answer: D: Nasopharynx 
Explanation: None