This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Zoonotic disease is/are transmitted by - \nSelect and explain. \nA. Ticks, B. Rat flea, C. Sand fly, D. Mosquito', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p> Zoonotic diseases are transmitted by hard ticks(e.g.tick typhus, viral fever) or soft tick(Q-fever). Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:780. <\\p>', 'role': 'assistant'}]