题目内容：
[单选题,7.6分] That matter is so _______ that it must not be discussed outside this office.A.confidential
B.private
C.confident
D.mysterious
参考答案：
选择题：[单选题,7.6分] That matter is so _______ that it must
- 题目分类：河南财经政法大学-会计学-大学英语4
- 题目类型：选择题
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A.confidential
B.private
C.confident
D.mysterious