题目内容：
______ is known to all, too much stress can cause mental disease （分数：1 分） A. Which
B. It
C. As
D. That
参考答案：
选择题：______ is known to all, too much stress can cause
- 题目分类：河南财经政法大学-法学-大学英语4
- 题目类型：选择题
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A. Which
B. It
C. As
D. That