阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

Posture Corrector For Men and Women

Let Our Posture Corrector Be Part of Your Pain-free Life.

As my brother suffered clavicle(锁骨）pain after a car accident,Dr.John advised us to try  posture corrector.Luckily,my brother came to his happiest self again.Besides correcting his posture,he also got relief from back,shoulder and neck pain all at the same time.

Good Posture Is Healthy For Both Men And Women.

Wearing our back brace(背带）for some time,you'll keep and hold back straight even without the posture corrector.Unlike regular posture cor rectors that are very hard and force you into one position,our back brace allows you completely free movement.

Comfortable,Changeable And Easy To Use.

While other posture cor rectors dig into your armpits,hurt your skin and are uncomfortable after S minutes,our back brace fits your sizes from 30cm to 43cm.