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: Anatomy
Small intestine and colon are lined by 
Select and explain. 
A. Simple squamous epithelium, B. Simple cuboidal epithelium, C. Simple columnar epithelium, D. Stratified squamous epithelium
C: Simple columnar epithelium
Answer: C: Simple columnar epithelium 
Explanation: None