Which of the Following Respiratory Supports Should Be Given to a Patient

Which of the following respiratory supports should be given to a patient with a nonanatomical nasopharyngeal obstruction
I.Supplemental oxygen when SpO₂ is less than 92%
II.Nasal suctioning
III.Nasal stents
IV.Repositioning airway
V.Nasal prongs
VI.Noninvasive nasal mask

A) I, II, and IV
B) II, IV, and VI
C) I and IV
D) III and V