【单选题】

The nurse is caring for a client who has a tracheostomy tube and is undergoing mechanical ventilation. The nurse can help prevent tracheal dilation, a complication of tracheostomy tube placement, by

A、suctioning the tracheostomy tube frequently.
B、using a cuffed tracheostomy tube.
C、using the minimal air leak technique with cuff pressure less than 25 cmH₂O.
D、keeping the tracheostomy tube pluggeD、