This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver disorders, Subject name: Pediatrics
[{'content': 'Test to differentiate between neonatal hepatitis and biliary atresia in infant with jaundice: \nSelect and explain. \nA. Gamma glutamyl transpeptidase, B. Alanine transaminase, C. Aspaate transaminase, D. Ultrasound', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the 3 hepatic enzymes are elevated in both neonatal hepatitis and biliary atresia. But USG may show triangular cord sign in biliary atresia.', 'role': 'assistant'}]