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: Anatomy
Motor supply of infrahyoid muscle is: 
Select and explain. 
A. Branches of cervical plexus, B. Vagus nerve, C. Glossopharyngeal nerve, D. Mandibular nerve
A: Branches of cervical plexus
Answer: A: Branches of cervical plexus 
Explanation: None