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 site for nasopharyngeal carcinoma: 
Select and explain. 
A. Nasal septum, B. Fossa of rosenmuller, C. Vault of nasopharynx, D. Anterosuperior wall
B: Fossa of rosenmuller
Answer: B: Fossa of rosenmuller 
Explanation: Nasopharyngeal carcinoma most commonly arises from fossa of rosenmuller in lateral wall of nasopharynx.