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