What happens next in this paragraph?

How to have a fun and calm life (for teenage girls )
Keep your room clean.
Make sure you know where everything is. Also make your room comfortable.
OPT: (A). This will make your thoughts easier to remember later on. Keep your house neat and clutter free.; (B). Organize clothes into simple piles and put all your bedding in the laundry basket, etc. Create your environment and make sure nothing is out of place.; (C). Add some seating, decorations, and personalize it with what you want. A comfortable room relaxes a lot of people.; (D). Keep clothes in the closet, like your g-cups. Don't leave them on your bed when you are sleeping.;
(C).