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: Microbiology
[{'content': 'Pancreatic Cancer is caused by: \nSelect and explain. \nA. Fasciola, B. Clonorchis, C. Paragonimus, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Clonorchis infection causes the bile duct and pancreatic cancer. Ref: Harrison's Principles of Internal Medicine, 15th Edition, Page 591, 1247 ; CMDT, 2002, Page 1504", 'role': 'assistant'}]