Www.gradesaver.com/to-kill-a-mockingbird/q-and-a/explain-scouts-growing-up-260005
Afterward is the correct answer
When could is used it refers to an ability that <span>a person generally had in the past or to something that was generally possible in the past, can is present.
I could wash the dishes for you. (having the ability to do it)
I can wash the dishes for you. (its actually going to be done)
hope this helps you! :-)</span>