A nurse is caring for a client who has paranoid schizophrenia and believes that they are being followed by FBI agents who are pretending to be psychiatric staff. Which of the following responses should the nurse make?

By acknowledging and validating the client's feelings of fear and concern, the nurse establishes a supportive and empathetic approach. This response helps build trust and rapport with the client, creating an environment where open communication is encouraged. Engaging in further discussion allows the client to express their thoughts and beliefs, which can aid in understanding their perspective and providing appropriate care. Option A is not the best response as it directly denies the client's belief, which can further escalate their paranoia and potentially damage the therapeutic relationship. Option B is also not the best response as it challenges the client's belief without providing validation or understanding. It may make the client defensive and reluctant to share their thoughts further. Option D is not the best response as it focuses on questioning the client's belief without providing support or empathy. It does not address the underlying fear and may not help the client feel heard or understood.