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
Which parasite causes Cholangiocarcinoma 
Select and explain. 
A. Fasciola hepatica, B. Fasciola buski, C. Clonorchis sinensis, D. Paragonimus westermani
C: Clonorchis sinensis
Answer: C: Clonorchis sinensis 
Explanation: Clonorchis Sinensis causes cholangiocarcinoma of liver, bileduct and Adenocarcinoma of pancreas