Final answer:
Zoloft (sertraline) is an antidepressant medication that belongs to the class of drugs known as selective serotonin reuptake inhibitors (SSRIs).
Step-by-step explanation:
An antidepressant is a medication used to treat depression. Out of the options given, Zoloft (sertraline) is an antidepressant. It belongs to the class of drugs known as selective serotonin reuptake inhibitors (SSRIs). SSRIs work by blocking the reuptake of the neurotransmitter serotonin, leading to an increase in serotonin levels in the brain and helping to alleviate symptoms of depression.