This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Duration of MDR TB - 
Select and explain. 
A. 8-12 months, B. 12-16 months, C. 16-24 months, D. 2-3 years
D: 2-3 years
Answer: D: 2-3 years 
Explanation: <p> The total duration of treatment for MDR-TB is 24-27 months,depending on IP duration. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:191 <\p>