A 19-year-old man presents with first-episode psychosis, hearing voices, and paranoid delusions for 3 months with declining functioning. According to Canadian schizophrenia guidelines, what is the most appropriate initial management?AImmediate long-acting injectable antipsychotic without discussionBTrial of a second-generation oral antipsychotic with early referral to an early psychosis intervention programmeCBenzodiazepines aloneDNo treatment until illness duration exceeds 6 monthsEElectroconvulsive therapy as first-lineCheck my answer