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
Anticancer drugs having highest emetogenic potential - 
Select and explain. 
A. Cisplatin, B. Vincristine, C. Mthotrexate, D. Busulfan
A: Cisplatin
Answer: A: Cisplatin 
Explanation: Ans. is 'a' i.e., Cisplatin