The right answer is: "The nurse does not know that Nora will leave her children, but the audience does."
When Torvald humiliates Nora, he tries to apologize with her, but she has changed, she realized her husband is a very strange man for her and in her marriage was always a doll, so she decided the only way to recognize herself is leaving from the house.
no it is c /vanity means/ inflated pride in oneself or one's appearance
1.To crouch or sit with bent knees- The cook squatted in the bottom...
2.To have a calming effect- "Oh, well," said the captain, soothing...
3.To get up or raise oneself- The captain, rearing cautiously...
4.To search or peer at thoroughly to locate something- But at last there came...
