阅读的短文，掌握其大意，从题中所给的A、B、C三个选项中，选出可以填入相应空白处的最佳答案。

Baduanjin（八段锦）is an ancient health exercise from China. It has become （1） these days with more and more people sharing their exercise experiences online. They believe that after （2） baduanjin, their bodies have become stronger.

Baduanjin is a simple health exercise. It has eight gentle steps. It is good for the （3） , and it is also fit for young people who （4） for long hours in the office or have bad feelings. Besides, the practice doesn’t need much space or time. It uses breathing and concentration（专注）skills to （5） both body and mind.

（1）

A．

popular

B．

interesting

C．

important

（2）

A．

sharing

B．

practicing

C．

remembering

（3）

A．

old

B．

poor

C．

disabled

（4）

A．

sit

B．

sleep

C．

study

（5）

A．

guide

B．

check

C．

improve