The nurse is caring for a client who has verbalized the desire to commit suicide. He has a detailed, concrete plan in place. The nurse places the client on suicide precautions, which include assigning the client a 24-hour sitter. The client becomes angry and refuses the sitter. Which action by the nurse is the most appropriate?

B have security sit outside the client's door A place the client in soft wrist restraints D allow the client to leave against medical advice (AMA) E tell the client that a friend can come sit with him instead C assign a sitter despite the client's refusal