This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Medicine
[{'content': 'Following are acute porphyrias except \nSelect and explain. \nA. ACUTE INTERMITTENT PORPHYRIA, B. Variegate porphyria, C. Heriditary corpoporphyria, D. Porphyria cutanea tarda', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The acute porphyrias are acute intermittent porphyria (AIP), variegate porphyria (VP), aminolevulinic acid dehydratase deficiency porphyria(ALAD) and hereditary coproporphyria (HCP). The non-acute porphyrias are X-linked dominant protoporphyria (XLDPP), congenital erythropoietic porphyria (CEP), porphyria cutanea tarda (PCT), and erythropoietic protoporphyria (EPP). The non-acute porphyrias along with two acute porphyrias, VP and HCP, that may also involve skin manifestations--are sometimes called cutaneous porphyrias. ref : Harrisons 20th ed pg 2523', 'role': 'assistant'}]