Q18:

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.

wasps living in a highly cooperative and organized society where they consist almost entirely of wasps that live in a highly cooperative and organized society consisting almost entirely of which means they live in a highly cooperative and organized society, almost all which means that their society is highly cooperative, organized, and it is almost entirely living in a society that is highly cooperative, organized, and it consists of almost all

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答案B

wasps that live in a highly cooperative and organized society consisting almost entirely of females—the queen and her sterile female workers.

在句子中是什么结构?定语马？