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 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: Oral alkylating agent Temozolomide is an alkylating agent that can be given orally Refer Goodman Gilman. 12/e p1687