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
Inversion is - 
Select and explain. 
A. Sole of the foot upward, B. Sole of the foot outward, C. Sole of the foot inward, D. Sole in the neutral postion
C: Sole of the foot inward
Answer: C: Sole of the foot inward 
Explanation: None