At the end of each stanza, Dunbar uses a couplet. What purpose does each couplet serve within these stanzas? [

my dad purchased natural colorings in a specialty store

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.