来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/11 00:31:49
请帮忙做一道单选题,谢谢
____ is the secret of being more and more relaxed and aware of everything that is going to at the same time.
A)attraction B)ignorance C)amusement D)concentration
请回答并帮忙翻译一下,谢谢!
D
集中精神是放松下来并且更有效率的秘诀
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