问题
How old is Steve—He is ____________ and he has an ___________ sister.
A:13-year-old;10 years old
B:13 years old;11-year-old
C:13 years old;10-years-old
D:13-years-old;11-years-old
B:13 years old;11-year-old
C:13 years old;10-years-old
D:13-years-old;11-years-old
正确答案是：
