public opinion is ordinarily used in reference in the whole society. this perspective is:

Are these your choices?

a. accurate, since Americans are one people and indivisible.
b. less accurate than a view of public opinion based on the majority, since the political system operates on the principle of majority rule.
c. less accurate than the idea that Americans form many publics that differ greatly in such things as the level of attention they pay to politics.
d. less accurate than a view of public opinion based on what the news media are saying about the public.

I'll be glad to check your answer.