Lack of sleep, lack of interest in doing activities one once loved, fatigue, lack of appetite, mood swings, anxiety, etc
C family history means predisposition
The answer would be C. since Hunter is very shy and keeps to herself all the time. This could indicate that she could have a social anxiety disorder or needs to open up and socialize more with others. Hope this helps you! :)
Here's a hyperlink
https://www.brainpickings.org/2012/09/17/the-meaning-of-life/