Which of the Following Cases Does Not Indicate the Need

Which of the following cases does not indicate the need for nasal Continuous positive airway pressure

A) An infant diagnosed with respiratory distress syndrome, exhibiting signs of increased respiratory distress
B) PaCO₂ greater than 60 mm Hg and pH less than 7.25
C) PaCO₂ greater than 50 mm Hg and pH greater than or equal to 7.25
D) Inability to maintain a PaO₂ greater than 50 mm Hg with FiO₂ less than 0.60