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
[{'content': 'If a life time probability to develop a lung cancer is 25% than what are odds of developing lung cancer in life time is- \nSelect and explain. \nA. 3:01, B. 1:03, C. 2:02, D. 4:01', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]