How does the structure of his italian sonnet by petrarch support its theme

Which of these can an adverbial clause modify?

How are the characters of tablin and keyn revealed in this excerpt from "the guard" by simon dunbar? a. indirectly through dialogue and by thoughts and actions b. directly through a narrative description c. indirectly through dialogue "where's my horse? " keyn asked. tablin looked around the dirt courtyard. he tried to peer through the shadowy arches of the flowing barrel. he even twisted in his saddle to look across the merchant's bazaar, past tents and warehouses filled with goods. "i don't know," he said. "did you leave it in your mouth? it's the only place i can think of that's big enough." keyn laughed; something got stuck in his throat half way, and he coughed for breath. "i can see you're good to go,” tablin observed as keyn struggled to clear his throat. “go get your horse yourself before i take the job and leave you to rot in the flowing barrel."

What reasons does the speaker provide to support his viewpoint or claim in what to the slave is the fourth of july i read to speech and but i just don't fully understand the question i just want to make sure i get it right so to explain that the question is asking me to do. and you!