It is during the falling action
He uses more so he could tell more of a story and use more words do explain much more. He wanted to create vivid images in his readers mind of his poetry. He wanted to bring tears and joy and using more syllables made him capable of just that.
Hoped I helped!
The correct you are looking for is the anwser "A"
"<span>Only this and nothing more. And so faintly you came tapping, And each separate dying ember wrought its ghost upon the floor."</span>
