Answer:
It establishes the rhythm of a duet to echo the song.
Explanation:
Parallelism refers to the use of the same grammatical structures in a series of sentences. Most of the time, parallelism is used in order to provide a sense of rhythm to the text. In this case, parallelism provides a sense of rhythm that is meant to echo the song, as it reminds the reader of a duet. As the song is also meant to be a duet (father and mother) the structure of the text highlights the subject matter.
I believe it is B and C. However it might also be D. Pretty sure it's not A.
Plot twist you have schizophrenia
D the main character is trying to navigate difficult life choices
Realist authors wanted to A. Depict life as it really was. They would usually use show names of real places and describe real houses including the most minute details. Not only this, they would always try to imitate even the language of the locals as much as possible. Such examples would be Mark Twain, or Henry James.
