This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
If a life time probability to develop a lung cancer is 25% than what are odds of developing lung cancer in life time is- 
Select and explain. 
A. 3:01, B. 1:03, C. 2:02, D. 4:01
B: 1:03
Answer: B: 1:03 
Explanation: .