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: Medicine
In AIDS, kaposi sarcoma may respond to 
Select and explain. 
A. Interleuldn- 2 infusion, B. Azathioprine, C. Alpha interferon, D. Any of the above
C: Alpha interferon
Answer: C: Alpha interferon 
Explanation: None