Which of the following statements about the political opinions of Democrats and Republicans
In the public is the most accurate?

A) Differences between the political opinions of Democrats and Republicans are smaller today than during any other period in the last 40 years.
B) Differences between the political opinions of Democrats and Republicans are greater today than during any other period in the last 40 years.
C) The differences between the political opinions of Democrats and Republicans have been the same throughout American history and have not become more intense over the last 40 years.
D) Republicans and Democrats have similar opinions on all political issues with the exception of national security.