The correct answer is:
d. escitalopram
Explanation:
1. Escitalopram is a selective serotonin reuptake inhibitor (SSRI) used in the treatment of depression.
2. SSRIs work by increasing the levels of serotonin in the brain, which helps to improve mood and reduce symptoms of depression.
3. Mirtazapine, alprazolam, and aripiprazole are not SSRIs but belong to different classes of medications used for various conditions.
