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
Bone marrow depressive drugs in the treatment of AIDS patient are : a) Didanosine b) Zalcitabine c) Zidovudine d) Cotrimoxazole e) Ganciclovir 
Select and explain. 
A. abc, B. ace, C. bce, D. cde
D: cde
Answer: D: cde 
Explanation: None