Which topic or issue would be most appropriate for a four- to five-page research paper?
a. teen health in the us
b. how a friend recovered from anorexia
c. national eating disorders association
d. teen athletes who suffer from eating disorders

Best answer choice is:

B. medical testing on animals

Animal testing, conjointly referred to as animal experimentation, animal analysis and in vivo testing, is that the use of non-human animals in experiments that ask for to regulate the variables that have an effect on the behavior or biological system below study.

"National Eating Disorders Association" would be the topic or issue among the choices given in the question that would be most appropriate for a four- to five-page research paper. The correct option among all the options that are given in the question is the third option or option "C". I hope it helps you.