1) Recognize the signs of danger.
2)Calm things down.
3) Don’t leave the situation.
4) Offer alternatives.
D is the answer i’m pretty sure
I could recommend Brian find someone he feels comfortable talking to about his feelings example another trusted friend or a professional. Or find close relative to have family members speak to him
I'm not quite sure what you are looking for as an answer, but they give the human body structure, shape, support.