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': 'Which of the following is an automsomal dominant metabolic disorder? \nSelect and explain. \nA. Cystic fibrosis, B. Phenyl ketonuria, C. a-I antitrypsin deficiency, D. Familial hyper cholestrolemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Familial hypercholesterolemia):', 'role': 'assistant'}]