To effectively respond to this question, one needs to consider the societal context of the time. This occurred long before women were permitted to work outside the home. Their roles were to manage household responsibilities and childcare, attend to their husband's needs, and remain seen yet unheard. Considering these societal expectations and reviewing all the replies, the most logical choice would be the first response: In the 1800s, women were anticipated to yield to men (i.e., comply with men's demands), and Nora was coming to realize that Helmer had exploited that expectation.
One example illustrating the retelling of the Sphinx myth is that in both stories, heroes must successfully answer a riddle to progress in their quests. The Grey King, authored by Susan Cooper and published in 1975, features the Grey King, also known as Brenin Llwyd. He is depicted as an evil lord, opposing light, characterized as the strongest, oldest, and most powerful of the dark lords, yet he cannot break the high magic laws.
The first line states: "But no sooner had he made it clear to himself and his friends that she hardly had a good feature in her face, than he began to find it was rendered uncommonly intelligent by the beautiful expression of her dark eyes."
The second line reads: "To this discovery succeeded some others equally mortifying. Though he had detected with a critical eye more than one failure of perfect symmetry in her form, he was forced to acknowledge her figure to be light and pleasing; and in spite of his asserting that her manners were not those of the fashionable world, he was caught by their easy playfulness."
This excerpt reflects Mr. Darcy's gradual recognition of Elizabeth's worth and virtues, which took him some time to appreciate since his arrival.
I hope this helps!
B. She acts as if she is the owner of a brothel.