Don’t talk to Alicia like that.She is only _____ eleven-year-old kid.A./ B.a C.the D.An

Don’t talk to Alicia like that.She is only _____ eleven-year-old kid.A./ B.a C.the D.An
Don’t talk to Alicia like that.She is only _____ eleven-year-old kid.A./ B.a C.the D.An

Don’t talk to Alicia like that.She is only _____ eleven-year-old kid.A./ B.a C.the D.An
Don’t talk to Alicia like that. She is only an eleven-year-old kid. 
D is correct.
Eleven [ɪ'levn]  元音开始,不定冠词要用an.