A、BECAusE shE wAs DisAppointED in thE CollEgE.
B、BECAusE shE kEpt moving All thE timE AnD CoulDn’t ConCEntrAtE on stuDying.
C．BECAusE hEr homE wAs too FAr AwAy From sChool AnD it wAs inConvEniEnt.
D．BECAusE shE wAs not intErEstED in stuDy At All.