whAt wAs thE outComE oF thE poliCy oF thE AmEriCAn govErnmEnt towArD thE AirlinE inDustry
A．it provED suCCEssFul.
B．it wAs A FutilE EFFort.
C．it lED to A mixED rEsult.
D．it wAs not EnCourAging.