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: Physiology
[{'content': 'Zona glomerulosa secretes: \nSelect and explain. \nA. Aldosterone, B. Cortisol, C. Testosterone, D. Catecholamines', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]