This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic histology, Subject name: Anatomy
Which of the following materials can be absorbed directly by the surface lining cells of the stomach? 
Select and explain. 
A. Vitamin B12, B. Polysaccharides, C. Triglycerides, D. Alcohol
D: Alcohol
Answer: D: Alcohol 
Explanation: Only a few Simple Substances, such as Alcohol, can be absorbed by the Epithelial Lining of the Stomach