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': 'All following secreted by Bronchogenic Ca except \nSelect and explain. \nA. Nor adrenaline, B. PTH, C. ACTH, D. DH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]