Read the passage, choose the best option to answer the given question
Walt Whitman, born in New York, in 1891, was one of America’s unusual literary figures. As an individualist, he rambled through the countryside seeing people and places, and making them his own. His experiences in earning a living were varied; at times he was a printer, a teacher, a carpenter, a nurse and a newspaper editor. He was a big-hearted man, open and accepting. He gave freely of his time by caring for the wounded during the Civil War. Though he lived in the city, he often spent time in the country, developing his strong sense of nature, which carried through to his poems. In 1855 he collected the verses he had written, and published them in one thin volume, “Leaves of Grass”, a book which he revised and rewrote all the rest of his life. The book was ridiculed by some poets and generally ignored by others, probably because his verse forms were not traditional. He had felt that it was necessary to achieve a new poetic form in order to communicate his views. His reputation didn’t grow until after his death, and it reached a high point in the 1920s. Since then, Whitman’s style has greatly influenced modern poets.
Whitman’s big-heartedness is shown by his……………………..