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: Anatomy
[{'content': 'True regarding bronchopulmonary segment is /are \nSelect and explain. \nA. Avascular intersegmental planes, B. Complete vascular segment, C. Pulmonary vein occupy central position, D. One segment drains in >1 pulmonary vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. 1 Segment drains in > 1 pulmonary vein', 'role': 'assistant'}]