A 7-week-old well-appearing infant (age 50 days) has fever 38.6°C (101.5°F). UA positive for leukocyte esterase; inflammatory markers low; blood and urine cultures sent. According to AAP 8-60-day guidance, appropriate disposition?AOutpatient oral antibiotics for UTI with close follow-upBMandatory lumbar puncture for all 29-60 daysCAdmit all febrile infants <60 daysDNo antibiotics until urine culture resultsEEmpiric IV third-generation cephalosporin and mandatory LPCheck my answer