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: ENT
The most common site for squamous cell carcinoma in oral cavity is - 
Select and explain. 
A. Tongue, B. Floor of mouth, C. Upper and lower alveolus, D. Buccal mucosa
A: Tongue
Answer: A: Tongue 
Explanation: "The tongue is the most common site in the oral cavity, followed by the floor of mouth, lip, gingival and retromolar trigone".
─ Radioguided surgery.