单选题：Albert Einstein's theory of relativity helps to prove

题目分类：理工类
题目类型：单选题
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题目内容：

Albert Einstein's theory of relativity helps to prove A．a fraCtion of an inCh
B．the existenCe of blaCk holes
C．the tiniest partiCle
D．the same amount of mass
E．the Creation of renew entities
F．an explosion of huge stars

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