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
E.coli gets attached to a surface with the help of - 
Select and explain. 
A. Fucose, B. Concavatin, C. Phytohaemagglutinin, D. Lactin
A: Fucose
Answer: A: Fucose 
Explanation: None