This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following is the mosr common complication of immunosuppression 
Select and explain. 
A. Malignancy, B. Graft rejection, C. Thrombocytopenia, D. Infection
D: Infection
Answer: D: Infection 
Explanation: .