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: Medicine
[{'content': 'Which of the following is not seen in HIV Patient with CD4 count less than 100 Per micro litre, who has non productive cough - \nSelect and explain. \nA. Mycobacterium tuberculosis, B. Pneumocystis carinii, C. Mycoplasma pneumonae, D. Cryptococcal infection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]