A、BECAusE thE milk shE Bought At A DisCount woulD ExpirE soon.
B、BECAusE shE DiD not sAvE 50% on All oF thE itEms shE purChAsED、
C．BECAusE shE ignorED thE FACt thE lowEr thE priCEs thE lowEr quAlity thE proDuCts.
D．BECAusE shE DiD not rEAlizE thAt All sAlEs ArE usED to ChEAt CustomErs.