thE ChArgE For A tElEphonE CAll mADE At10:00
A、m．From City y to City x is $0．50 For thE First minutE AnD $0.34 For EACh ADDitionAl minutE．At thEsE rAtEs，whAt is thE DiFFErEnCE BEtwEEn thE totAl Cost oF thrEE5-minutE CAlls AnD thE Cost oF onE 15-minutECAll
A、$0.00
B、$0.16
C、$0.32
D、$0.48
E、$1.00