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
Not true about the anal canal is: 
Select and explain. 
A. Completely lined by stratified squamous epithelium, B. Supplied by pudendal nerve, C. Drained by veins forming poosystemic anastomosis, D. Pa below pectinate line is spupplied by inf. Rectal aery
A: Completely lined by stratified squamous epithelium
Answer: A: Completely lined by stratified squamous epithelium 
Explanation: A. i.e. Completely lined by stratified squamous epithelium