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': "Aldosterone \nSelect and explain. \nA. Increases reabsorption of sodium, B. Increases excretion of potassium, C. Increases retention of sodium, D. Both 'A' and 'B'", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]