What is not a type of nonverbal communication? A. facial expression
B. gestures
C. pantomime
D. all of the above
E. none of the above​

All of the above, I'd assume. No speaking is involved yet they each communicate something.

Explanation:

Hope this helps :)

to inform readers about the ways young people improve the world.

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.