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
Most common tumor of urinary bladder is - 
Select and explain. 
A. Squamous cell carcinoma, B. Adenocarcinoma, C. Transitional carcinoma, D. Stratified squamous carcinoma
C: Transitional carcinoma
Answer: C: Transitional carcinoma 
Explanation: None