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国家提倡健康公民自愿献血的年龄是（）

A、十八周岁至四十五周岁

B、十八周岁至五十周岁

C、十八周岁至五十五周岁

D、十八周岁至六十周岁

E、十八周岁至六十五周岁

时间：2021-12-23 23:21 关键词：医学伦理学儿科住院医师风湿与临床免疫学基础知识妇幼保健主治医师

答案解析

C

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