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
Best and most effective drug to control convulsions in toxicity cases is: 
Select and explain. 
A. Phenobarbitone, B. Phenytoin, C. Diazepam, D. Carbemezipine
C: Diazepam
Answer: C: Diazepam 
Explanation: None