A 36-year-old female who has experienced diverse symptoms for several years has finally had her ...

A 36-year-old female who has experienced diverse symptoms for several years has finally had her health problems attributed to scleroderma (systemic sclerosis) and has committed herself to learning as much about the disease as she can.
 
  Which of her following statements would her nurse want to correct or clarify?
  A)
  I'm surprised that in this day and age, they still don't know what causes scleroderma.
  B)
  I suppose this explains why I have such terrible circulation to my hands and feet.
  C)
  I'm scared by the damage that this could cause to my heart and lungs.
  D)
  The worst part of this so far has been learning that there aren't any treatments for scleroderma.