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: Pathology
True about ranula is: 
Select and explain. 
A. Mucocele in the floor of the mouth due to trauma of the submandibular gland duct is called renula., B. Ranula is painful., C. Does not move along with the movement of the tongue., D. All of the above.
A: Mucocele in the floor of the mouth due to trauma of the submandibular gland duct is called renula.
Answer: A: Mucocele in the floor of the mouth due to trauma of the submandibular gland duct is called renula. 
Explanation: A mucocele in the floor of the mouth due to trauma of the submandibular or sublingual gland duct is called as Ranula. These are painless slow-growing lesions and move along with the movement of the tongue.