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
Which of the following is a non cell cycle specific anticancer drug 
Select and explain. 
A. Methotrexate, B. Paclitaxel, C. Etoposide, D. Cyclophosphamide
D: Cyclophosphamide
Answer: D: Cyclophosphamide 
Explanation: Cyclophamide is an alkylating agent which is a non cell cycle specific anticancer drug.