【单选题】

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．(A) reasons … oblivious to

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