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
Most specific change in biopsy is seen in- 
Select and explain. 
A. Tropical sprue, B. Giardiasis, C. Abetalipoproteinemia, D. Malnutrition
C: Abetalipoproteinemia
Answer: C: Abetalipoproteinemia 
Explanation: None