问题
pulation of the countryis 3 million, _____ Kooris.
A:1 % of which were made up of
B:1 % of it were Kooris
C:and 1 % of which were made up of
D:1 % of them were
B:1 % of it were Kooris
C:and 1 % of which were made up of
D:1 % of them were
正确答案是：
