This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'A man on return from a country complains of pain in abdomen, jaundice, with increased alkaline phosphatase and conjugated hyperbilirubinemia. USG shows blockage in the biliary tree. What could be the cause? \nSelect and explain. \nA. Fasciola buski, B. Clonorchis sinensis, C. Strongyloides, D. Ancylostoma', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Clonorchis sinesis(Ref: Harrison, 18th/e, p. 1757, 1758; 19th/e, p. 1498; Chatterjee, 12th/e, p. 136)* Among the given option only Clonorchis sinensis is a liver fluke which can cause hepatic dysfunction with jaundice and hyperbilirubinemia.", 'role': 'assistant'}]