Multi-select problem: How does the next paragraph end?

How to get rid of weed smell
Invest in air fresheners.
Air fresheners can be used to combat many troublesome odors, including the smell of marijuana. Consider plugging in an air freshener, or placing a new air freshener in a room, shortly after smoking.

Options: a. Dilute weed smoke with bleach. Mix 10% bleach with 6% hydrogen peroxide and let it soak in.. b. If you do not smoke yourself, you can use an air freshener if you notice a fresh scent in the air. You can buy gel-based air fresheners that come encased in a plastic case.. c. Over time, air fresheners may help to eliminate the smell of marijuana. Cut out weed by hosing down affected areas.. d. Studies have shown that air fresheners consistently block out most major smells, reducing some of the noxious odor that accompanies marijuana. Reflavor your breath with summer essential oils..
b.