Which Statement Made by a Nursing Educator Best Explains Why

Which statement made by a nursing educator best explains why it is important for nurses to determine a patient's medical history and recent drug use?

A) "Health care providers have a responsibility to prevent drug seekers from gaining access to drugs."
B) "This information is useful in determining what type of pain interventions will most likely be effective in providing pain relief."
C) "Some recreational drugs have pharmaceutical counterparts that may be more effective in managing pain."
D) "Getting this information gives the nurse an opportunity to provide patient teaching about drug abstinence."