The right answer is, D.It affects the tone of the story, which affects how theme is communicated. This isn't incorrect becuase, the word choice the author chooses can make a great change to the story. For example; if you say "That's big.", it has a really different tone of exaggeration from "That's gigantic!". So indeed, diction affects the tone.
Answer:
C. Although he is really smart, he doesn't try.
Answer:
The hyperloop is a promising way of transportation that uses new technology to move a lot of people very quickly. Golden's point of view for transportation is completely different as he believes that walking or the improvement of cars or busses are the future for transportation. Golden does not believe in technology as the answer to improve the way people transports today.