This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Atypical pneumonia is caused by all except \nSelect and explain. \nA. Mycoplasma, B. Adeno virus, C. Chlamydia, D. Hemophilus', 'role': 'user'}, {'content': "Answer: D \nExplanation: Haemophilus influenza causes lobar pneumonia .it is one of the frequent cause of fatal pneumonia in the pandemic of influenza in 1918 _1919 where as atypical pneumonia is not as serious as typical pneumonia Ref:anantnarayan and paniker's microbiology 10th edition", 'role': 'assistant'}]