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
Ifosfamide belongs to which Group of anticancer drugs 
Select and explain. 
A. Alkylating agent, B. Antimebolites, C. Mitotic inhibitors, D. Topoisomerase inhibitors
A: Alkylating agent
Answer: A: Alkylating agent 
Explanation: Refer principles of Pharmacology 1st /869 KDT 6/e p 819 Ifosfamide is an alkyatingg agent