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: Skin
Common sites of mongolian spot are : 
Select and explain. 
A. Face, B. Neck, C. Lumbo sacral area, D. Leg
C: Lumbo sacral area
Answer: C: Lumbo sacral area 
Explanation: C. i.e. Lumbosacral