单选题：Dehydrationmayoccurifthereisashortageofwater___________

题目内容：

Dehydrationmayoccurifthereisashortageofwater___________ A．inyourbody
B．withoutwater
C．beforelong
D．forachange
E．onabusyday
F．toyourweight

参考答案：

答案解析：

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