The answer to your question is: Some strong examples that show why the subject is important to the narrator. Hope I have helped.
I'd have to know the story to answer it 100% correct... but one answer could be "A" if marjorie is not socially accepted herself. But it could also be "D" if Bernice was tempted not to cut her hair.
I think that it is:
A.
Adults cannot appreciate the beauty of the natural world as children can.
