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 group of anticancer drugs temozolomide belong to : 
Select and explain. 
A. Oral alkylating agent, B. Antitumor Antibiotic, C. Antimetabolite, D. Mitotic Spindle Inhibitor
A: Oral alkylating agent
Answer: A: Oral alkylating agent 
Explanation: Temozolomide is an alkylating agent that can be given orally.