This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
[{'content': 'Incubation period of plasmodium vivax is \nSelect and explain. \nA. 5-7 days, B. 7-10 days, C. 10-14 days, D. 15-30 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: Park 24th edition', 'role': 'assistant'}]