This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health Schemes, Subject name: Social & Preventive Medicine
Anti tobacco day is:- 
Select and explain. 
A. 1-Jul, B. 24-Mar, C. 31-May, D. 1-Dec
C: 31-May
Answer: C: 31-May 
Explanation: 31 may: Anti-tobacco day 1 july: doctor's day 24 march: anti TB day 1 december: World AIDS day