While providing interventions to relieve your patient's tracheal occlusion, you remove the inner cannula and attempt to suction the trach, meeting resistance. As the patient's O₂ saturation continues to decline, you attempt to provide breaths via the Ambu bag. Resistance is met. What do you do next?
A) Call 911
B) Continue suctioning the trach
C) Start CPR
D) Change the trac