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: Pharmacology
For pain control in a patient having history of GI bleeding, which of the following is given ? 
Select and explain. 
A. Nimesulide, B. Ibuprofen, C. Rofecoxib, D. Pentazocin
C: Rofecoxib
Answer: C: Rofecoxib 
Explanation: None