Answer:
He enjoys music that is more authentic and less mainstream.
Explanation:
Based in the passage, we can assume that Mateo dislikes pop music, so you can also assume that Mateo likes music that is less popular, thus more authentic and less mainstream.
"They did not fear the Trojans' powerful attack, they stood their ground LIKE clouds set in place by Zeus." The point of the simile is to show that the Danaans stood up for themselves.
I think the answer would be D