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: Surgery
What is Ranula - 
Select and explain. 
A. Retention cyst of sublingual gland, B. Retention cyst of submandibular gland, C. Extravasation cyst of sublingual glands, D. Extravasation cyst of submandibular glands
A: Retention cyst of sublingual gland
Answer: A: Retention cyst of sublingual gland 
Explanation: Ans. is 'a' i.e., Retention cyst of sublingual gland