A 42-year-old man with recurrent major depressive disorder has had an adequate 8-week trial of an SSRI at therapeutic dose with minimal improvement. According to updated CANMAT depression guidelines, what is the next most appropriate step?AStop the SSRI and start a benzodiazepine aloneBIncrease SSRI dose above recommended maximumCSwitch to or augment with another evidence-based antidepressantDAdd an antipsychotic as first augmentation strategy in primary careEContinue the same regimen for another 6 months before changingCheck my answer