A home health nurse is invited to dinner by a client's family on his day off. Which of the following actions by the nurse indicates understanding of his professional role?

The nurse accepts the invitation but avoids future social interactions with the client.

The nurse declines the invitation but explains that he will accept closer to discharge from home health.

The nurse declines the invitation for dinner but offers to extend the length of each home visit.

The nurse politely declines the invitation and explains the need to maintain professional boundaries.