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: Orthopaedics
Most common charcot's joints involved in diabetes mellitus are those of - 
Select and explain. 
A. Shoulder, B. Ankle, C. Knee, D. Foot
D: Foot
Answer: D: Foot 
Explanation: None