---I’m afraid I don’t have the ability to make a speech in public. I’m too nervous.

---Don’t worry. You will overcome it _______if you practice more.

A．by and by

B．side by side

C．hand in hand

D．face to face

聚病系无形之邪为患，病在腑，痛无定处，发作有时，推之能移，时聚时散，病属气分，为气滞所聚。