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 statements about pneumococcus is false - \nSelect and explain. \nA. Capsule aids in virulence, B. Commonest cause of otitis media, C. Causes mild form of meningitis, D. Respiratory tract of carriers is the most important source of infection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]