What Does Set Point Theory Suggest About the Probable Results

What does set point theory suggest about the probable results of bariatric surgery?

A) It has guaranteed that recipients will eventually reach their ideal weight.
B) It is impossible to use set point theory to predict anything about the results of bariatric surgery.
C) It will not result in long term weight loss because the body will resist change and seek its initial set point.
D) It will result in successful weight loss for men but not for women because men have a lower set point.