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': 'Diplococcus pneumoniae shows the following characters except - \nSelect and explain. \nA. Capsulated, B. Bile solubility test positive, C. Causes meningitis, D. Not pathogenic to mice', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]