A nurse is collecting data from a client who has bipolar disorder with mania. Which of the following findings is the nurse's priority?

A. Hostility and sarcasm are concerning, but they are not as urgent as the risk of injury associated with hyperactivity. B. Pacing in the hallway during the day and night is indicative of extreme restlessness and may lead to exhaustion or self-harm. The nurse should address this behavior to prevent harm. C. Giving money away may be problematic, but it is a less immediate risk compared to physical safety. D. Flight of ideas is a common symptom of mania, but it is less dangerous than pacing and hyperactivity, which can lead to physical harm.