I'm not quiet sure what this is asking but this is appears to be related to cover letters, if that helps.
A paradox is a literary device that uses two opposing thoughts which may appear senseless, but turns out that it contains a kind of truth in it. A consonance is also a literary device by the repetition of consonant sounds within sentences, phrases or poems. From the given question above, the line that contains both paradox and consonance is option D: At least to know the worst is sweet.
Answer:
It would have to be adolescents who have taken an interest in astronomy.
"They "lurk" in the shadows, "Mangling" stars and "gobbling" them up."