题目内容：
Mary demanded that he______the books he borrowed from her a month ago.
A.return
B.would return
C.returned
D.had returned
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：Mary demanded that he______the books he borrowed from her a month ago.
- 题目分类：成考（专升本）
- 题目类型：选择题
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