A 49-year-old man with major depressive disorder has failed two adequate trials of different SSRIs plus CBT. He remains significantly symptomatic but denies suicidality. According to CANMAT 2023, which next step is most appropriate?AContinue the same SSRI indefinitelyBAdd evidence-based augmentation (e.g., atypical antipsychotic) or switch to another class such as SNRICElectroconvulsive therapy is contraindicatedDUse benzodiazepines as primary treatmentEStop all medications and rely on herbal remediesCheck my answer