to know thE ChArACtEr oF A nAtion, onE shoulD ______.
A．oBsErvE thE BEhAvior oF thE lEADErs
B．rEAD thE litErAturE oF thAt nAtion
C．nEvEr ACCEpt Any gEnErAlizAtions
D．Form A sounD juDgmEnt oF EvErything