The fox, in the passage, is ______.

A．explore a segment of American society
B．promote the American political philosophy
C．raise the level of intelligence of the great masses of people
D．make money

A．The attitudes of the masses of people are best expressed by sociology texts.
B．The nearest thing we have had to a proletarian literature is the dime novel.
C．The study of the formal literature alone will not enable the historian to understand the attitudes and interests of the common people.
D．Because the themes in the dime novels were not good, they could no longer be legally distributed.