Multi-choice problem: Continue writing the next sentence in this paragraph:

How to use a coccyx cushion
Use the cushion everywhere.
Coccyx cushion treatment will be most effective if you can use the cushion in the car, at home, at work and everywhere else you need to sit down. You can purchase several inexpensive cushions or opt for one that can travel with you and be used everywhere.

A). Find a cushion that fits your car. What you decide to use a cushion on depends on what room in your car you will be in.;
B). Swap out your seat belt for a more effective option. To use the seat belt, buy some workout pants or low rise sweats.;
C). Apply the cushion to your skin when you're bathing. If your skin is sensitive, you may need to apply the cushion while you're getting out of your bath or shower.;
D). Consistency is key to treating your tailbone pain with a coccyx cushion. Be aware that one cushion may not be suitable for all scenarios.;
D).