A 38-year-old client is hospitalized with obsessive-compulsive disorder. On admission, she becomes nervous and asks to go to the bathroom to brush her teeth. Her husband says that she brushes her teeth at least 25 times per day. The nurse notes that the client’s gums are inflamed and bleeding. What’s the best nursing intervention ？（）
A．Have her stop brushing her teeth until the gums heal.
B．Allow her to continue her routine of daily brushing.
C．Monitor her dental care and set limits on the amount of daily brushing.
D．Brush her teeth for her.