Answer:
The Two Boys and a Nut
One day two boys were going along a road.They saw a nut on the ground . Both of them ran quickly to pick it up . One boy picked it up. The other boy said,"It is my nut because I was the first to see it .""It is mine ," said the boy who was holding it," because I was the first to pick up ."
Just then a tall boy came there . He said to the boys ,"Give me the nut . I'll settle your quarrel."
The tall boy took the nut . He cracked the nut and separated it's hard shell into two parts. He gave one part of the shell to one boy and said ,"This half is yours."
Then the tall boy popped the fruit-seed into his mouth and said ,"The remaining is mine for helping.
The kind of device this author is using is Dramatic Irony, when the reader knows something the character does not.
The best answer for this question is "free verse." This poem does not follow any particular rhyme scheme or stanza patterns. This rules out the second option and part of the last option. It also does not contain any internal rhythms, including iambic pentameter. This rules out the first and last options, leaving you with only one. Whitman was notorious for writing in a very free flowing way that defied norms and traditions of poetry. Hope this helps.