This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infectious Disease Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Cyclopropagative? \nSelect and explain. \nA. Malaria, B. Plague, C. Filaria, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Malaria o Has been explained in previous session", 'role': 'assistant'}]