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
The action of styloglossus muscle is 
Select and explain. 
A. Protrusion of tongue, B. Posteriorly retracts the tongue, C. Depression of tongue, D. Elevation of tongue
B: Posteriorly retracts the tongue
Answer: B: Posteriorly retracts the tongue 
Explanation: None