A nurse has designed an individualized nursing care plan for a patient, but the patient is not meeting goals. Further assessment reveals that the patient is not following through on many items. Which action by the nurse would be best for determining the cause of the problem?

A) Assess whether the actions were too hard for the patient.
B) Determine whether the patient agrees with the care plan.
C) Question the patient's reasons for not following through.
D) Reevaluate data to ensure the diagnoses are sound.