It's A : The word choices an Author makes.
because the definition is style of speaking or writing as dependent upon choice of words.
Science fiction – a genre of fiction dealing with the impact of imagined innovations in science or technology, often in a futuristic setting. or depicting space exploration. Exploring the consequences of such innovations is the traditional purpose of science fiction, making it a "literature of ideas".
Answer:
B.by making a comparison with past con$icts
