When does the human body begin to lose vigor and the ability to function efficiently?

Câu hỏi :

When does the human body begin to lose vigor and the ability to function efficiently?

A Soon after reaching adulthood  

B During childhood

C  Early adulthood        

D In old age

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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