For a sense of relatability and to make a deeper meaning.
The answer is the last one, D. All of the other transitions indicate that the writer will either go into further detail on the subject or list other reasons as to why this would be correct. However, D clearly uses a contrasting transition to introduce a new argument.
Answer:
HEYYYY :P
The poem is in 2nd person. The speaker is talking directly to the reader.
Hope this helps!
Answer:
I believe it would be find your main point