Is intentionally or unintentionally using someone else's work without giving credit to the original author or creator.
a. research
b. plagiarism
c. articulation
d. investigation

Plagarism is your answer 

The answer to the blank is B.

Then what do i do after i read the excerpt? i’m not really understanding the question here.

Delegates: representatives who cast votes at a political party's national convention. binding: if a primary or caucus is “binding” that means the delegates won in that contest are legally bound to vote for a particular candidate at the parties national convention.a primary is a preliminary election used to determine a party's nominee for a specific office. the winner of the party's caucus, or primary, wins the party nomination for that state. then the delegates meet at their party's national party convention, which is a formal gathering of all party delegates from all states.