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': 'HPV infects which cells first: \nSelect and explain. \nA. Superficial cells epidermis, B. Basal cells, C. Subcutaneous cells, D. Dermal cells', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Basal cells', 'role': 'assistant'}]