The singers PLEDGED there lives “mutually pledge to each other our Lives, our Fortunes, and our Sacred Honor,”
Answer would be C I'm pretty sure.
An Adjectival Phrase - a group of words headed by an adjective that modifies a noun.
An Adjective - a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it.
A Noun - a word (other than a pronoun) used to identify any of a class of people, places, or things
The answer to the problem is whose
This describes third person omniscient in which the reader shares the perspectives of many characters.
Hope this helps :)