Read the passage from a doll’s house.

nora: hide the christmas tree carefully, helen. be sure the children do not see it until this evening, when it is dressed. [to the porter, taking out her purse.] how much?

porter: sixpence.

nora: there is a shilling. no, keep the change. [the porter her, and goes out. nora shuts the door. she is laughing to herself, as she takes off her hat and coat. she takes a packet of macaroons from her pocket and eats one or two; then goes cautiously to her husband's door and listens.] yes, he is in. [still humming, she goes to the table on the right.]

what do the stage directions tell the reader about nora?

they show how much money nora gives to the porter.
they give important background details about nora’s life.
they show nora’s mood and her approach to her husband.
they show how nora wants to hide the christmas tree.