HELMER: Don't disturb me. (A little later, he opens the door and looks into the room, pen in hand.) Bought, did you say? All these things? Has my little spendthrift been wasting money again? NORA: Yes but, Torvald, this year we really can let ourselves go a little. This is the first Christmas that we have not needed to economize.

Which themes of Ibsen's A Doll's House are reflected in this excerpt from act 1 of the play?

AObedience and control

Bthe importance of money

Cdeception appearance versus reality

Dbreakdown of marriage