What financial news does Gregor overhear from his father?

A. Gregor's father has a little bit of money left over from his failed business.
B. Gregor's father is going to look for a job to support the family.
C. Gregor's father is broke and cannot think of a way to make money.
D. Gregor's father doesn't have money to pay rent, so the family will have to move.