Go to this link it shows you everything. http://npic.orst.edu/health/child.html
I’m pretty sure it is d, she is not thinking right
Depending on the person, many different things could work like meditation, talking to friends, maybe having some tea, taking a shower, going for a drive, having some comfort food, and so many other things that allow you to release endorphins and relax your brain. : D
Hallucinations, visions of the past that are somehow related to the trigger, fear. Flashbacks are a symptom of PTSD.