Final answer:
Carly should pick up the mask by the upper ties and let the clean gown unfold by holding it in front of her and pulling it away from her shoulders.
Step-by-step explanation:
The next step Carly should take to don her personal protective equipment is to pick up the mask by the upper ties, trying not to touch the part that covers the face.
This step is important to avoid contaminating the mask before putting it on. After picking up the mask, Carly should proceed to let the clean gown unfold by holding it directly in front of her and pull the gown away from her shoulders, trying not to touch the inside of the gown.
By following these steps, Carly will be properly putting on her personal protective equipment.