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': 'True about primary aldosteronnism -a) Pedal oedemab) Increased reninc) Increased Na+d) Decreased K.+ e) Hypertension \nSelect and explain. \nA. abd, B. acd, C. cde, D. ade', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]