Mary, a 76-Year-Old Female Receiving Medicare Benefits, Was Recently Diagnosed

Mary, a 76-year-old female receiving Medicare benefits, was recently diagnosed with diabetes and hypertension. She is taking medications by mouth for her diabetes and hypertension and is also receiving insulin injections for her diabetes. Which of the following affects Mary's access to health care?

A) Disease diagnosis
B) Health-care services co-payment
C) Immigration status
D) Prescription drug affordability