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
The new agent pemetrexed, useful in breast cancer, belongs to which of the following category of drugs- 
Select and explain. 
A. Antitumor antibiotic, B. Alkylating agent, C. Hormonal agent, D. Antimetab olite
D: Antimetab olite
Answer: D: Antimetab olite 
Explanation: Ans. is 'd' i.e., Antimetabolite o It is an antifolate antimetabolite