问题
About of the students in our class were born under the Year Rabbit. — Oh, that is to say they were born in .
A:four-fifths; the 1999
B:four-fifths; 1999
C:four-fifth; the 1999
D:four-fifth; 1999;
B:four-fifths; 1999
C:four-fifth; the 1999
D:four-fifth; 1999;
正确答案是：
