Which of the Following Most Accurately Characterizes Political Polarization Today

Which of the following most accurately characterizes political polarization today in the United States?

A) There is no polarization in the United States, despite common perceptions to the contrary.
B) Polarization is mainly found among the masses, but political elites are not polarized.
C) Recent decades have brought serious and increasing polarization to U.S. political elites.
D) Polarization is significant in the United States for the first time in the country's history.
E) Polarization has declined since the election of Barack Obama.