单项选择题

If we fight a war and win it with H-bombs, what history will remember is not the ideals we were fighting for but the______we used to accomplish them, which will be ______the warfare of Genghis Khan, who ruthlessly killed every last inhabitant of Persia.

(A) reasons … oblivious to
(B) methods … compared to
(C) passions … contrasted with
(D) weapons… incommensurate with
(E) politics … minor to