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
By which alcohol dependence is best indicated 
Select and explain. 
A. Black outs, B. Early morning drinking, C. Withdrawl symptoms, D. Physical dependence
C: Withdrawl symptoms
Answer: C: Withdrawl symptoms 
Explanation: C i.e. Withdrawl Symptoms