Which situation presented during scene 2 of the play Antigone is intended to highlight

Which situation presented during scene 2 of the play Antigone is intended to highlight the conflict between loyalty to family and civil obedience?

a. Antigone is engaged to Creon’s son, Haemon.
b. Eteocles is buried with honors.
c. Ismene refuses to help her sister bury Polyneices.
d. Creon becomes king.