During Bronchial Hygiene Therapy in the Trendelenburg Position,the Patient Vomits

During bronchial hygiene therapy in the Trendelenburg position,the patient vomits and aspirates.What intervention would be the most correct for the Respiratory Care Practitioner to take at this time?

A) Administer 100% oxygen, stop therapy immediately, return patient to original resting position, and consult physician.
B) Stop therapy, clear airway and suction as needed, administer oxygen, maintain airway, return patient to previous resting position, and contact physician immediately.
C) Stop therapy, administer oxygen, maintain airway, and return the patient to previous resting position.
D) Administer oxygen, maintain airway, and contact physician immediately.