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: Biochemistry
Which dissacharies are not broken down in git ? 
Select and explain. 
A. Lactulose, B. Maltose, C. Sucrose, D. Lactose
A: Lactulose
Answer: A: Lactulose 
Explanation: Ans. is 'a' i.e., Lactulose