A client with paranoid schizophrenia repeatedly uses profanity during an activity therapy session. Which response by the nurse would be most appropriate?
A) "Your behavior won't be tolerated. Go to your room immediately."
B) "You're just doing this to get back at me for making you come to therapy."
C) "Your cursing is interrupting the activity. Take time out in your room for 10 minutes."
D) "I'm disappointed in you. You can't control yourself even for a few minutes."