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: Pathology
[{'content': 'Feature of shock lung is: \nSelect and explain. \nA. Diffuse alveolar damage, B. Usual interstitial pneumonitis, C. Organizing pneumonia, D. Bronchilolitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Diffuse alveolar damage', 'role': 'assistant'}]