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': 'Most common cause of amoebic lung abscess is - \nSelect and explain. \nA. Aspiration, B. Direct spread form liver, C. Hematogenous spread from liver, D. Hematogenous spread form gut', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]