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
Blood supply of little's area are: 
Select and explain. 
A. Greater palatine aery, B. Septal br. of superior labial aery, C. Anterior ethmoidal aery, D. All
D: All
Answer: D: All 
Explanation: All Correct