This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Anti - Smoking drug is? 
Select and explain. 
A. Theophylline, B. Biclutamide, C. Salmeterol, D. Bupropion
D: Bupropion
Answer: D: Bupropion 
Explanation: ANSWER: (D) BupropionREF: Harrison 17th ed chapter 390Indirect repeat Pharmacology 2013 Session 2 (Different options), June 2011 (See pharmacologic interventions for tobacco addiction)