gwd-2-4

GWD3-Q4:

Yellow jackets number among the 900 or so species of the world’s social wasps, wasps living in a highly cooperative and organized society where they consist almost entirely of females—the queen and her sterile female workers.

A.      wasps living in a highly cooperative and organized society where they consist almost entirely of

B.      wasps that live in a highly cooperative and organized society consisting almost entirely of

C.      which means they live in a highly cooperative and organized society, almost all---???

D.      which means that their society is highly cooperative, organized, and it is almost entirely

E.       living in a society that is highly cooperative, organized, and it consists of almost all

Why not A?

The wasps can’t consist of the female ones?

Does anyone know how to interpret this question?

they指代不清？分词结构套从句头重脚轻？

我是语法盲