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.

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

OA: [spoiler]B

The OA confuses me, as I don't see how "consisting" is parallel to cooperative and organized... shouldn't it be "consists" or eliminated entirely?

Thanks![/spoiler]