In My Bondage and My Freedom by Frederick Douglass, what does Douglass mean when he describes Mrs. Auld as apt?

a)She quickly changed her mind back and forth to please others.

b)She tended to ignore the advice of others and do what she believed was right.

c)She was capable of making her own decisions, even in the face of opposition.

d)She adapted to new circumstances by convincing herself that she agreed with her husband’s views.