After the Nurse Provides Diet Instructions for a Patient with Diabetes,the

After the nurse provides diet instructions for a patient with diabetes,the patient can restate the information but fails to make the recommended diet changes. How would the nurse best evaluate the patient's situation?

A) Learning did not occur because the patient's behavior did not change.
B) Choosing not to follow the diet is the behavior that resulted from learning.
C) The nurse's responsibility for helping the patient make diet changes has been fulfilled.
D) The teaching methods were ineffective in helping the patient learn about the necessary diet changes.