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': 'Which of the following is a primary cell culture - \nSelect and explain. \nA. Chick fibroblast, B. Hela, C. HEP-2, D. HL-8', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Monkey kidney,human embryonic kidny,human amniotic&chick embryo cell cultutes areprimary cell culture REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.435', 'role': 'assistant'}]