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【单选题】
科学家们认为，大脑中主管人体各种功能的各个中心点联合作用的结果。人在睡眠时其部分脑细胞仍然在活动着，这就是梦的基础。最近的研究成果证实，做梦不仅不会影响人的睡眠和健康，而且还是保护大脑健康所必需的生理活动之一。 以下哪项如果为真，最能支持上述结论？
A.
根据问卷分析，长期不做梦的人比经常做梦者所需的睡眠时间更长，在休息后有一半人仍会感到疲倦
B.
实验中，研究人员在睡眠者出现做梦的脑电波时，就立即将其阻断，结果发现被试者的血压和体温明显增高
C.
研究中，梦境被打扰的被试者在醒来后显得焦虑不安，容易紧张，并出现记忆的短期障碍
D.
调查显示，能完整讲述梦境的被试者相比遗忘梦境者，在工作中更能快速集中注意力，从而工作效率更高
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