Itistruefromthelastparagraphth

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问题: Itistruefromthelastparagraphthat______.

A: itisnowpossibletochangetheagingprocess

B:wayscanbefoundtomodifytheagingprocess

C:nursescanhelpoldpeoplelengthentheirlives

D:short-termmemorycanbemadelongerbysometraining