Which one of the following state

Which one of the following statements is true of Dickinson’s “I like to see it lap the Miles”?
A、This poem describes a mare dancing at midnight.
B、This poem describes a horse galloping through valleys.
C、This poem describes a train running through the mountainous area.
D、This poem describes a traveler’s joyous journey through the scenic mountainous area.
【正确答案】：C