In Which Order Will the Nurse Take These Actions When

In which order will the nurse take these actions when assisting with oral intubation of a client who is having respiratory distress?
A)Obtain a portable chest-x-ray.
B)Place the client in the supine position.
C)Inflate the cuff of the endotracheal tube.
D)Attach an end-tidal CO₂ detector to the endotracheal tube.
E)Oxygenate the client with a bag-valve-mask system for several minutes.