In order to answer this question, one must think about the time period. This is long before women had jobs outside of the home. They were expected to care for the home and the children, take care of the needs of their husband, and be seen, not heard. Keeping those characteristics in mind and reading through all the answers, the only logical answer would be the first one: In the 1800s, women were expected to be submissive to men (do what they are told to do by the man), and Nora was discovering that Helmer has taken advantage of that.
A, like right here, if we were right next to eachother i oculd tell you its "number A"! lol
