请选择DCBA-@,|1h.~)P1s His daughter is _________ girl.;w1`9P,c9{)C2I+^'c,[
A. a 8-year-old;w1`9P,c9{)C2I+^'c,[
B. an 8-year-old;w1`9P,c9{)C2I+^'c,[
C. an 8-years-old;w1`9P,c9{)C2I+^'c,[
D. a 8 years old;w1`9P,c9{)C2I+^'c,[