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
Category II treatment- 
Select and explain. 
A. 2HRZES, B. 1 HRZE, C. 5 HRZ, D. None
A: 2HRZES
Answer: A: 2HRZES 
Explanation: Ans. is 'a' i.e., 2HRZES