问题
There was _____ woman in the room, sitting and looking at me in the dark.
A:a 80-year-old
B:an 80-year-old
C:a 80-years-old
D:an 80-years-old;
B:an 80-year-old
C:a 80-years-old
D:an 80-years-old;
正确答案是：
