This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
T cell recognizes which antigen in graft rejection? 
Select and explain. 
A. MHC II, B. MHC I, C. Both MHC I & MHC II, D. None
C: Both MHC I & MHC II
Answer: C: Both MHC I & MHC II 
Explanation: Through both direct and indirect pathway