thE FAvorABlE EFFECt oF A CruCiBlE DEpEnDs on whEthEr A lEADEr ______.
A．provEs him/hErsElF to BE A nEwly EmErgEnt onE
B．ACCEpts it As A usEFul ExpEriEnCE For progrEss
C．shrinks BACk From tiring AnD trying ExpEriEnCEs
D．DrAws importAnt lEssons For his/hEr FollowErs