It's D for plato users!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Since this is a poem and you have a comma after river bank, the answer would be Halting because it is starting a new line. River should not be capitalized in this sentence because it is not a proper noun. It is just a common noun.
Also because if they do it back to back they won’t see anything wrong with the rough draft because they just did it