问题
ass ______ forty-five students, in other words, forty-five students ______ our class.
A:consists of, are made up of
B:is consisted of, make up
C:consists of, make up
D:is consisted of, are made up of;
B:is consisted of, make up
C:consists of, make up
D:is consisted of, are made up of;
正确答案是：
