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: Pathology
[{'content': 'True statements about alpha -1 - anti-trypsin deficiency-a)  Autosomal dominant diseaseb) Emphysemac) Fibrosis of Portal tractd) Diastase resistant positive hepatocytese) Orcein positive granules \nSelect and explain. \nA. abc, B. acd, C. bcd, D. bd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Fibrosis of portal tract develop when there is cirrhosis.', 'role': 'assistant'}]