Clear Realignments,like the One That Occurred in 1932,may Not Occur

Clear realignments,like the one that occurred in 1932,may not occur again because

A) voter turnout has consistently decreased over the last forty years.
B) presidential candidates are rarely as popular with the voters as they used to be.
C) the electoral college is malapportioned.
D) parties no longer change as dramatically,instead aligning gradually.
E) economic issues rarely dominate presidential campaigns.