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单选题
如果需要，数据可通过附加特征或特征的简要描述来补充。
A
The data may be supplemented by brief descriptions of additional characteristics or features if desired.
B
If necessary, the detail may supplement some simple descriptions of additional characteristics or properties.
C
If desired, the data may be added by simple presentations of additional values or properties.
答案解析
正确答案：A
相关知识点：
需时补数据，描述来辅助
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