This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Etiology: Carcinogenic Agents, Subject name: Pathology
[{'content': 'The following parasitic infections predispose to malignancies? \nSelect and explain. \nA. Paragonimus westermani, B. Guinea worm infection, C. Clonorchiasis, D. Ancyclostoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) ClonorchiasisRef: Robbin's pathology 9th ed. /874-75* Clonorchis Sinesis: Cholangiocarcinoma* Schistosoma Hematobium: Squamous cell cancer of urinary bladder* Schistosoma Japonicum: Colorectal cancer", 'role': 'assistant'}]