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: Social & Preventive Medicine
Which of the following is the headquaers of South East Asia Regional Office for WHO? 
Select and explain. 
A. New Delhi, B. Dhaka, C. Colombo, D. Bangkok
A: New Delhi
Answer: A: New Delhi 
Explanation: South East Asia region of the WHO has 11 members. The headquaers is in New Delhi. Ref: Park 21st edition, page 855.