A neonate delivered at 32 weeks,is put on a ventilator.X-ray shows 'white out lung' and ABG reveals PO2 of 75.Ventilator settings are an,FiO2 of 70,and rate of 50/minute.Next step to be taken should be?

• A. Increase FiO2 to 80
• B. Increase rate to 60 per minute
• C. Weaning ventilator
• D. Continue ventilation with the same settings