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: Microbiology
[{'content': 'Group B (flaviviruses) Arboviruses is/are-a) Dengue feverb) Rift valley feverc) Chikungunya feverd) J.E.e) Yellow fever \nSelect and explain. \nA. acd, B. bde, C. ade, D. ad', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]