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': 'The following is a diploid cell strain \nSelect and explain. \nA. Rhesus monkey kidney cell culture, B. heLa, C. Human embryonic lung cell strain, D. Mccoy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: HL-8 (Rhesus embryo cell strain ) and WI-38 (human embryonic lung cell strain) are diploid cell lines Primary cell strains include- chick embryo fibroblast cell culture, human amnion cell culture etc Ref: Baveja 5th ed Pg: 417', 'role': 'assistant'}]