题目内容：
Much of the debate on an ongoing society in China has focused on the extended families__________the number of "empty-nets" is growing by the millions every year.
A．that B．when C．where D．which
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：
选择题：Much of the debate on an ongoing society in China has focused on the extended...
- 题目分类： 英语学科知识与教学能力
- 题目类型：选择题
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