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
All are developed from muscles of 1 arch except 
Select and explain. 
A. Tensor tympani and tensor veli palatini, B. Posterior belly of digastric, C. Masticatory muscles, D. Mylohyoid
B: Posterior belly of digastric
Answer: B: Posterior belly of digastric 
Explanation: None