We need the story though to help you...
Answer:
heme: An ordinary life can change completely in just a moment. C. Ghostgirl, Tonya Hurley Charlotte Usher feels practically invisible at school, and then one day she really "is" invisible. Even worse: she's dead.
Explanation:
It seems as though the answer is C.
The definition of humanities is the human race; having to do with human beings.