Read the sentence and identify the antecedent that corresponds with the bolded pronoun. Several of the guests wandered in and apologized for being late to the party.?

The antecedent that corresponds with the bolded pronoun "several" is "the guests." In this sentence, "the guests" refers to the individuals who wandered in and apologized for their tardiness to the party. Thus, the pronoun "several" is indicating a subset of those guests.