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
A person with neck node and B type tympanogram - 
Select and explain. 
A. Acoustic neuroma, B. Nasopharyngeal CA, C. Angiofibroma, D. None
B: Nasopharyngeal CA
Answer: B: Nasopharyngeal CA 
Explanation: Information in this question :

Cervical adenopathy (Neck node) :- Most common presentation of nasopharyngeal carcinoma.
Type B tympanogram :- Indicates serous otitis media, which may be a complication of nasopharyngeal carcinoma due to eustachian tube blockade.

Thus, among the given options, nasopharyngeal carcinoma is the answer of choice.