Answer:
well you have to put the options...
If I’m understanding the question it uses both metaphors and alliteration in the poem which is uncommon because most poetry uses typical one literary device and not multiples at the same time
I’m not sure about the beginning but at the end he was kind of selfish and uncaring
A progressive form of a verb is formed with the ending "-in": the only verb form in the options that is formed with the ending "ing" is in option b.
The correct option is b: will have been falling. This tense is the future perfect progressive tense.