In A Doll's House, the character of Nora Helmer undergoes significant development. Which of the following actions best exemplifies her transformation and challenges the societal norms of 19th century Europe?
ANora's decision to secretly borrow money to save her husband's life, demonstrating her willingness to take on traditionally male responsibilities
BNora's choice to confide in Mrs. Linde about her financial troubles, illustrating the importance of female friendship and solidarity
CNora's insistence on performing the tarantella dance, symbolising her desire to maintain her husband's affection and approval
DNora's ultimate decision to leave her husband and children, rejecting societal expectations and seeking personal freedom and identity