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: Surgery
Which of the following methods is an example for rigid fixation? 
Select and explain. 
A. Miniplate osteosynthesis, B. Transosseous wiring, C. Lag screw fixation, D. None of the above
C: Lag screw fixation
Answer: C: Lag screw fixation 
Explanation: None