Why/how can these stereotypes be dangerous or damaging for people with mental illness or mental health issues?

The book the sweet-hereafter; in section four, which of the following is the extended metaphor for nichole's mental state. a) the room her father built her from the sun-room b) the wheel chair she sits in c)the computer from mr. stephens d) the teddy bear from her childhood

The correct word to complete the sentence

Pls, i really need on this question?