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
Following bilateral mandibular fracture in the canine region, the following muscles will tend to pull the mandible back: 
Select and explain. 
A. Genioglossus and anterior belly of digastric, B. Genioglossus and mylohyoid, C. Genioglossus and thyrohyoid, D. Genioglossus and masseter
A: Genioglossus and anterior belly of digastric
Answer: A: Genioglossus and anterior belly of digastric 
Explanation: None