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
Circumvallate papillae are present: 
Select and explain. 
A. Behind sulcus terminalis, B. Front of sulcus terminalis, C. Anterior 2/3 of tongue, D. Lateral border of tongue
B: Front of sulcus terminalis
Answer: B: Front of sulcus terminalis 
Explanation: None