What literary device is employed here?
" O my love! my wife! Death, that hath suck'd the honey of thy breath, Hath had no power yet upon thy beauty: Thou art not conquer'd; beauty's ensign yet Is crimson in thy lips and in thy cheeks, And death's pale flag is not advanced there. (V, ii, 94-99) "
a. dramatic irony
b. foreshadowing
c. oxymoron
d. allusion