This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumour of Nasopharynx, Subject name: ENT
All of the following statements about nasopharyngeal carcinoma are true, except: 
Select and explain. 
A. Bimodal age distribution, B. Nasopharyngectomy with radical neck dissection is the treatment of choice, C. IgA antibody to EBV is observed, D. Squamous cell carcinoma is the most common histological subtype
B: Nasopharyngectomy with radical neck dissection is the treatment of choice
Answer: B: Nasopharyngectomy with radical neck dissection is the treatment of choice 
Explanation: (b) Nasopharyngectomy with radical neck dissection is the treatment of choice(Ref. Scott Brown, 8th ed., Vol 3; 101)The definitive treatment for nasopharyngeal carcinoma and its regional node metastasis is radiotherapy.