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': 'The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by: \nSelect and explain. \nA. Conjugation, B. Rarefaction, C. Transduction, D. Transformation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]