This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
Nasopharyngeal carcinoma presents as: 
Select and explain. 
A. Epistaxis, B. Mass in neck, C. Headache, D. Nasal stuffiness
B: Mass in neck
Answer: B: Mass in neck 
Explanation: (b) Mass in neck(Ref. Cummings, 6th ed., 1425; Scott Brown, 8th ed., Vol 3; 97)Nearly 75% of patients of nasopharyngeal carcinoma present with painless cervical lymphadenopathy of mainly the upper deep cervical lymph node.