The principal intention of the author of a dime novel was to ______.

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.

A．the poorer classes
B．themes and attitudes that would be acceded by the greatest number of people
C．attitudes accepted by the American intellectuals
D．the character of the authors of the dime novel