This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
The extended sickness benefit is given for? 
Select and explain. 
A. 309 days, B. 365 days, C. 409 days, D. 2 years
D: 2 years
Answer: D: 2 years 
Explanation: In addition to 91 days of sickness benefit, insured persons suffering from ceain long term diseases are entitled to extended sickness benefit for a maximum period of 2 years. (REF. PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 757)