A mother who has a history of chronic heroin use has lost custody of her children due to abuse and neglect. She has been admitted to an inpatient drug rehabilitation program. Which client statement should a nurse associate with a positive prognosis for this client? A. 'I'm not going to use heroin ever again. I know I've got the willpower to do it this time.' B. 'I cannot control my use of heroin. It's stronger than I am.' C. "I'm going to get all my children back. They need their mother.' D. 'Once I deal with my childhood physical abuse, recovery should be easy.'