Republican Victories in the Presidential Elections from 1980 Through 1996

Republican victories in the presidential elections from 1980 through 1996 indicate that a party realignment has

A) not yet occurred despite these victories.
B) succeeded only in producing a mandate for the Republican Party.
C) propelled the Republicans into the position of the dominant party.
D) occurred to some extent among white voters in the South.
E) occurred in so-called blue states.