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: Medicine
Which one of the following drugs is most suitable for management of essential tremors- 
Select and explain. 
A. Diazepam, B. Levodopa, C. Metoprolol, D. Propranolol
D: Propranolol
Answer: D: Propranolol 
Explanation: None