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 conditions cause transudative pleural effusion: \nSelect and explain. \nA. Cirrhosis of liver, B. Tuberculosis, C. Bronchogenic carcinoma, D. Rheumatoid arthritis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]