Thanks for the question! I’m assuming you’re asking why (A) is right, since it’s the correct answer choice here. So we’re being asked here for how the author discusses metaphor in the second paragraph. Well, we should go to the second paragraph and read it to figure out what’s going on there with metaphor. We’re told that corridos “tell their stories simply and swiftly, without embellishments” (lines 22-23). Then we’re told that “figures of speech such as metaphors are generally rare in corridos” (lines 24-25). Well, it looks like the author’s trying to make a point: the corridos are told directly. How does the author show this? Well, they don’t use a lot of figures of speech like metaphors. And that’s what supports (A), that the author brings up metaphors to elaborate on a claim about the directness of the language used in corridos.
Hope this helps! Feel free to ask any other questions that you might have.