What does the narrator mean when she says, “I wonder if they all come out of that wall-paper as I did?”. Explain your answer thoroughly.

“The Yellow Wallpaper “

The author advances the plot through the use of the narrator's _________.

a. discussion with peers in a medical library

b. struggle with painful physical symptoms 

c. detailed recollection of his doctor's advice

d. page-by-page study of a medical text