whAt DiD thE AmEriCAn govErnmEnt Do whEn thE Country's AirlinE inDustry wAs in trouBlE
A．it took stEps to rEstruCturE thE inDustry.
B．it wEnt out to Boost thE CompEtition oF thE inDustry.
C．it hElpED thE inDustry By oFFEring tAx prEFErEnCE.
D．it proviDED thE inDustry with CAsh AnD loAn guArAntEEs.