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: Medicine
False positive D-xylose test is seen in-a) Ascitesb) Blindloop syndromec) Aspirind) Hepatic failure 
Select and explain. 
A. ab, B. bc, C. abc, D. bcd
C: abc
Answer: C: abc 
Explanation: None