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
Most emetogenic drug is: 
Select and explain. 
A. Cisplatin, B. Carboplatin, C. High dose cydophosphamide, D. High dose methotrexate
A: Cisplatin
Answer: A: Cisplatin 
Explanation: Cisplatin