A 58-year-old man with recurrent gout flares and stage 3 CKD has serum urate 9.0 mg/dL between flares. Which urate‑lowering approach is guideline‑concordant?ADelay urate‑lowering therapy until ≥3 flares per yearBStart febuxostat 80 mg daily as first‑lineCStart allopurinol 300 mg daily immediatelyDStart probenecid 500 mg twice daily as first‑lineEStart allopurinol ≤100 mg daily (≤50 mg if CKD) and titrate to serum urate <6 mg/dL with flare prophylaxisCheck my answer