Which of the following statements is true? A. Where a political map is composed of legislative districts, at least two legislators must be elected from each district. B. In a district-based election, gerrymandering favors whomever gets to draw the district boundaries to gain an electoral advantage. C. Under the internationally accepted rules of proportional representation, a party that wins fewer than 10 percent of the vote won't win any seats in the legislature. D. Where a plurality rule applies to an at-large election, the person who gets the majority of the votes is the winner.