This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Zoonotic disease is/are transmitted by -a)  Ticksb)  Rat fleac)  Sand flyd)  Mosquitoe)  Mite \nSelect and explain. \nA. abcd, B. acde, C. bcde, D. abcde', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]