What happens next in this paragraph?

How to pick up litter
Stop litter where it starts.
The reason there is so much trash around is because not enough people recognize that it's a problem. Start with yourself, and make sure you're not generating litter, intentionally or otherwise.
Select from: a). The problem lies with the litter and not the environment. Lay/clean out a path that other people can take and place litter in that path.. b). Don't pick at litter before it starts to smell on your hands. Don't scoop litter around your house after it starts to smell in your kitchen.. c). Be on the lookout for trash bins, and be willing to carry your trash for a little while. Keep a bag or container for trash in your car, if you drive.. d). Asking for assistance will attract more attention, and this can lead to litter spills and people reporting the litter to the police. One typical place you can see litter spills and people reporting a litter spill is by common street signs..
c).