In paragraph 5, the point of view briefly changes from Echo's point of view to Narcissus's point of view. This shift of the text's narrative point of view affect the text as a whole, because in Echo's point of view, it talks about how much she is in love with Narcissus.
I think you could pick both B and D in this situation. You didn't include the passage so I have nothing to go on here except my little knowledge of the story from when I read it.
