This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'HBV and HDV false is - \nSelect and explain. \nA. Both can infect simultaneously, B. HDV causes more serious infection d/t superinfection, C. HDV cannot infect in absence of HBV, D. DNA viruses', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HBV is a DNA virus& HDV is an RNA virus.HDV&HBV is co-infection HIV causes more serious infection due to superinfection REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.549', 'role': 'assistant'}]