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': 'Cloudy swelling is: \nSelect and explain. \nA. Irreversible, B. Reversible, C. Physiological and never pathological, D. Late manifestation of cell injury', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Reversible', 'role': 'assistant'}]