Read this line from the fall of the house of usher: shaking off what must have been a dream, i scanned more narrowly the real aspect of the building. why does the narrator put the word must in italics?

In henrik ibsen's a doll's house, there are numerous references to dolls. nora mentions how she has bought dolls for her daughter, emmy. she also refers to her children as "nice little dolly children." which interpretation of this reference to dolls is the most plausible? a. the dolls symbolize nora’s childhood. they are a reminder of nora’s father and how he made her happy with dolls every time she was sad or upset. b. the dolls symbolize the deceptive ways in which nora pretends to live in a nice world even though she engages in criminal activity. c. the dolls symbolize both nora and her children. just as nora is a toy and plaything for torvald, her children seem to be her toys and playthings. d. the dolls symbolize nora's indifference toward her children. instead of nourishing her children with love, nora uses the dolls to show them her affection.

What sentence correctly uses it’s underlined relative pronoun?

How does the underlined figurative language contribute to the meaning of the poem?