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
[{'content': 'Which of the following materials can be absorbed directly by the surface lining cells of the stomach? \nSelect and explain. \nA. Vitamin B12, B. Polysaccharides, C. Triglycerides, D. Alcohol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Only a few Simple Substances, such as Alcohol, can be absorbed by the Epithelial Lining of the Stomach', 'role': 'assistant'}]