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
Hangman's fracture is fracture of C2 - 
Select and explain. 
A. Dens fracture, B. Lamina, C. Pars interarticularis, D. Spinous process
C: Pars interarticularis
Answer: C: Pars interarticularis 
Explanation: None