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 the following metabolic may cause chronic or recurrent abdominal pain, except - \nSelect and explain. \nA. Acute intermittent prophyria, B. Addison's disease, C. Hypercaleemia, D. Hyperkalemia", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]