how DiD mAstEr CArD, BECAmE For A whilE thE BiggEst CArD in thE Country
A．it joinED with 77 othEr BAnks.
B．it won A lArgE group oF CustomErs ovEr EvErything CArD.
C．it BEgAn Forming AlliAnCEs with BAnks outsiDE thE stAtE.
D．it lEArnED thE sECrEt oF its suCCEss From CAliForniA hEADquArtErs.