Final answer:
The nurse's best response is statement number 2, which informs the client of their right to see their chart and advises them to discuss it with their primary care provider.
Step-by-step explanation:
The nurse's best response to the agitated client demanding to see her chart is statement number 2: "You have the right to see your chart. Please discuss this with your primary care provider." As a client, the individual has the right to access their medical records, including their chart. The nurse should educate the client on their rights and guide them on how to go about obtaining their chart by suggesting they discuss it with their primary care provider.