Which Course of Action Taken by a Patient with Osteoporosis

Which course of action taken by a patient with osteoporosis indicates that teaching about the health problem was effective?

A) Taking a calcium supplement every day and increasing phosphorous intake
B) Participating in an aerobic barbell strength class at the gym three times a week
C) Using a wheelchair to reduce the risk of spontaneous fractures to legs and feet
D) Seeking healthcare by scheduling a follow-up examination with bone density testing