The correct answer is A) Closed Primary.
The type of primary that is described below is Closed Primary.
Before election time, the members of a party have to register in order to participate. At this moment, people express their party affiliation so other parties know that they belong to this specific party and avoid election problems with memberships. In the Closed Primary, only registered people can participate. In this type of election, party members declare their allegiance and request ballots for their own party. Independents are excluded.