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
Which of the following substance abuse is commonly associated with morbid jelousy? 
Select and explain. 
A. Opium, B. Cannabis, C. Alcohol, D. Cocaine
C: Alcohol
Answer: C: Alcohol 
Explanation: Morbid Jealousy most often result from alcohol abuse. Cocaine abuse results in tactile hallucination, coronary aery vascocnstriction and myocardial infarction. Reference: Textbook of Medicine By Robe L Souhami, page 251