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
Crescent fracture is 
Select and explain. 
A. Fracture of iliac crest, B. Fracture of coccyx, C. Fracture of calcaneum, D. Fracture of Atlas
A: Fracture of iliac crest
Answer: A: Fracture of iliac crest 
Explanation: None