What happens next?

How to stop belching
Chew with your mouth closed.
Seal your lips tightly immediately after taking a bite of food or sip of a drink. Don't open them up again until you've swallowed all of the food or liquid.

Select from the following.
(a). This ensures that the food isn't trapped in your esophagus or throat. Hold the breath with your tongue if you accidentally swallow something..
(b). This will keep you from swallowing extra air by accident. Similarly, avoid talking while you are chewing..
(c). Only close your mouth when you understand that there are no ways to stop the belching. Anyone who holds a double serving of food or drink in their mouth must reswallow the food..
(d). Remind yourself that belching is choking. When you're eating or drinking you swallow food as soon as you chew..
(b).