This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
Which of the following gas is most likely to cause the additive anaemia and neutropenia if administered to an AIDS patient taking zidovudine 
Select and explain. 
A. Acyclovir, B. Amantadine, C. Ganciclovir, D. Stavudine
C: Ganciclovir
Answer: C: Ganciclovir 
Explanation: Ref-KDT 6/e p770 Galnciclovir is the drug of choice for CMV inlfeions It should nol be combined with zidovudine because both have bone marrow suppressant propey.