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': 'In which one of the following organs, the venous emboli are most often lodged? \nSelect and explain. \nA. Lungs, B. Kidneys, C. Intestines, D. Heart', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]