This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Antidepressant drug is: 
Select and explain. 
A. Pimozide, B. Haloperidol, C. Thioridazine, D. Citalopram
D: Citalopram
Answer: D: Citalopram 
Explanation: Classification I Reversible inhibitors of MAO-A (RIMAs) Moclobemide, Clorgyline II. Tricyclic antidepressants (TCAs) NA + 5-HT reuptake inhibitors Imipramine, Amitriptyline, Trimipramine, Doxepin, Dothiepin, Clomipramine B. Predominantly NA reuptake inhibitors Desipramine, Noriptyline, Amoxapine, Reboxetine Ill. Selective serotonin reuptake inhibitors (SSRis) Fluoxetine, Fluvoxamine, Paroxetine, Seraline, Citalopram, Escitalopram IV. Atypical antidepressants Trazodone, Mianserin, Miazapine, Venlafaxine, Duloxetine, Tianeptine, Amineptine, Bupropion Ref: K D Tripathi 8th edition