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
The largest trematode infecting man is - 
Select and explain. 
A. F.hepatica, B. F. buski, C. E. Granulosus, D. Clonorchis sinensis
B: F. buski
Answer: B: F. buski 
Explanation: None