What literary device is apparent in the title of the poem "War is Kind," and what effect does it have on the reader's interpretation?

A. The simile compares war to kindness, this makes the reader realize the poem is absurd.
B. The personification of war as kind makes a reader consider the positive aspects of warfare.
C. The hyperbole exaggerates the actual nature of war, this makes the reader laugh.
D. The irony is that war is not commonly thought of as kind, this makes the reader curious.