thE Author sAys thAt CivilizED pEoplE shoulD ______.
A．not hAvE Any quArrEls to sEttlE
B．not Fight whEn thErE ArE no quArrEls to sEttlE
C．sEttlE thEir quArrEls without Fighting
D．sEttlE thEir quArrEls By sEEing whiCh siDE CAn kill oFF thE grEAtEst numBEr oF thE othEr siDE