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': 'In tuberculosis in an AIDS patient the chest X-ray looks like- \nSelect and explain. \nA. Miliary shadow, B. Cavity, C. Consolidation, D. Collapse', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]