Final answer:
The EMT has a good understanding of her role and responsibilities by prioritizing her own safety first before attending to the patient.
Step-by-step explanation:
The statement that shows that the EMT has a good understanding of her role and responsibilities related to being an EMT is option C) 'My safety comes first, and then the patient's safety.'
This statement demonstrates that the EMT recognizes the importance of prioritizing her own safety before attending to the patient. This is crucial because if the EMT gets injured or becomes unable to provide care, it would delay or hinder the treatment the patient needs. By ensuring her safety first, the EMT is better equipped to provide effective care to the patient.