a democrat can vote in a republican primary in states that\n hold open primaries.\n hold closed primaries.\n…

a democrat can vote in a republican primary in states that\n hold open primaries.\n hold closed primaries.\n have indirect primaries.\n have party caucuses.

a democrat can vote in a republican primary in states that\n hold open primaries.\n hold closed primaries.\n have indirect primaries.\n have party caucuses.

Answer

Brief Explanations:

In open primaries, voters are not restricted by party affiliation. They can vote in any party's primary. Closed primaries restrict voting to party - affiliated members. Indirect primaries and party caucuses are not related to this voter - eligibility aspect in the context of cross - party voting in primaries.

Answer:

A. hold open primaries.