Write the next sentence in the following story.

How to get rid of a headache using mallow
Buy mallow from a health food store.
Mallow can be purchased at some specialty health food stores, or online. Try a store that sells other herbs and/or essential oils.

Available options:
[A]. Avoid cheap products that do not include mallow, like simple dextai wine or orange juice. Cheaper bottles contain mallow as a side-product.;
[B]. Some stores that specialize in traditional chinese medicine, herbs, and healing might also carry mallow. It might be a good idea to call around to a few places to see what stores near you carry it.;
[C]. These oils have a uvb feature that may kill the headache. Mallow is thought to work for humans at different rates, compared to common other herbs that contain hbl, since there is no known difference between mallow and other herbal remedies.;
[D]. Be sure to only purchase a particular type of mallow. Avoid buying mallow as a substitute for other natural oils.;. The answer should be
[B].