Why does Lois Lowry use so many flashbacks inthe narration of the giver?

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,

a pirate walks into a bar with a steering wheel sticking out of his pants.

bartender: isn't that uncomfortable?

pirate: arrgh! it's drivin' me nuts!

c. to understand which information will best persuade your readers. (apex) correct answer.