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': 'Which of the following is not a rapidly growing atypical mycobacteria causing lung infections - \nSelect and explain. \nA. M. chelonae, B. M.fortuitum, C. M.abscessus, D. M.kansasii', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]