According to Research Studies,if You Had an Identical Twin Who

 According to research studies,if you had an identical twin who suffered from anorexia nervosa,you are ____. 

A) less likely to be anorexic than if you had a fraternal twin who was anorexic
B) just as likely to be anorexic as you would be if you had a fraternal twin who was anorexic
C) more likely to be anorexic than if you had a fraternal twin who was anorexic
D) just as likely to be anorexic as anyone else in the population