问题

Fifty-four students _____ my class and we are kind-hearted.–Really _______.
A:consist of, so am I
B:is made up of , so do I
C:is consisted of, so am I
D:make up, so it is with me;
B:is made up of , so do I
C:is consisted of, so am I
D:make up, so it is with me;
正确答案是: