This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
Which of the following anticancer drugs acts by hypomeyhylation 
Select and explain. 
A. Gemcitabine, B. 5-FU, C. Decitabine, D. Homoharringotonine
C: Decitabine
Answer: C: Decitabine 
Explanation: DNA hypomeyhylating agents are used in the treatment of myelodyplastic syndromes The agents in this group include Azacytidine Decitabine Refer Harrison 17th/671