问题

Mary, how old are you this gear_______. And My parents just had a party for my______birthday last monty.
A: Fifteen,fifteenth
B:Fiveteen,fiveteenth
C:Fifteenth,fifteen
D:Fiveteerth,fiveteen
B:Fiveteen,fiveteenth
C:Fifteenth,fifteen
D:Fiveteerth,fiveteen
正确答案是: