Which work praised the idea of equality and democracy and also c

Which work praised the idea of equality and democracy and also celebrated the dignity, the self-reliant spirit and the joy of the common man?
A、Leaves of Grass by Walt Whitman.
B、Self-reliance by Ralph Waldo Emerson.
C、Life on the Mississippi by Mark Twain.
D、Sister Carrie by Theodore Dreiser.
【正确答案】：A
【题目解析】：本题考查小说的主要内容。沃尔特·惠特曼的《草叶集》赞扬了平等和民主的思想，又歌颂了普通人的尊严、自立精神和欢乐。