题目内容：
下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。
A. They end up pressing closer together, which makes a person lose a little height and become shorter.
B. That's because as the day goes on, water in the disks of the spine gets compressed (squeezed) due to gravity, making you just a tiny bit shorter.
C. Over time, bone is said to be lost because it's not being replaced.
D. Luckily, there are things that people can do to prevent shrinking.
E. For older people, shrinking isn't that dramatic or sudden at all.
F. There are a few reasons.
请在（46）处填入最佳答案。
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