{{B}}nArrAtor{{/B}}
listEn to A pArt oF A DisCussion in A BusinEss ClAss. thE proFEssor is DisCussing whAt wAs tAught in thE lAst ClAss.

whAt Do thE AirlinE CompAniEs wAnt to DoA．thEy wAnt to inCrEAsE proFits.
B．thEy wAnt to BEnEFit thE pAssEngErs.
C．thEy wAnt to sEll ChEAp sEAts.
D．thEy wAnt to BEAt thEir CompEtitors.