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: Psychiatry
A 55 year old chronic alcoholic male was brought to OPD with tremors and sweating. He is found to have irrelavent talks since 3days. What is the most likely diagnosis? 
Select and explain. 
A. Alcohol discontinuation syndrome, B. Delirium tremens, C. Korsokoff's psychosis, D. Alcohol toxicity
B: Delirium tremens
Answer: B: Delirium tremens 
Explanation: History of irrilevant talks suggests about disturbance in consciousness and along with it tremors.
Sweating (indicating autonomic hyperactivity) suggest of Delirium tremens.
Seen after 48-72 hours of alcohol withdrawl.