When Teaching the Patient About Performing Tracheostomy Care,which of the Following

When teaching the patient about performing tracheostomy care,which of the following actions is an acceptable technique?

A) Remove the old ties before applying the new.
B) Keep two tracheostomy tubes of the same size at the bedside.
C) Place the new tracheostomy tie,then remove the old tie.
D) Dispose of all old supplies and replace with new.