Answer:
FOR DER TEA *insert British accent here*
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.
What kind of examples do you need?
I am pretty sure the answer is C