I believe it's 3, parenthetical expression
In the given sentence, the antecedent is the subject "Samuel". An antecedent is the word that precedes the pronoun. In the sentence, the pronoun used to refer to "Samuel" is "his". The word antecedent is a Latin word that means "to go before". Therefore, this is the word that a pronoun refers back in the sentence.
I think it is C.direct characterization
The cruel approach of the scam surprises even Huck<span>, and he comments that "it was enough to make a body </span>ashamed of the human race<span>." The events of Chapter 24 reveal that the duke and the king have taken complete control of the raft and its travelers.</span>
