To fit it's Ribs/And crawl between Complaining all the while/In

To fit it's Ribs/And crawl between Complaining all the while/In horrid—hooting stanza——/Then chase itself down Hill——”
Questions：
A.Please give the name of the author.
B.What idea does this poem express?
C.How do you understand the fourth line in this part?
【正确答案】：A. Emily Dickinson.
B.This poem is an interesting study of how Dickinson makes the train part of nature by animalizing it.
C.The poet is getting the sound of the train into the poem. (P522)