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

How to create a poultice
Learn about the different types of herb poultices.
There are many different herbs that can be used in a poultice, but they are often divided into three categories. A poultice may be one of the following types :
Astringent.

a). Astringent is a substance the skin presents with, which causes swelling, redness, irritation, and warmth. The astringent should be applied once a day for several days to decrease inflammation and prevent re-formation..
b). There are several reasons why poultices can be harmful to a person's liver if taken too seriously, including peptomies as a cause of liver damage. Astringent herbs are often mixed with fresh herbs to ensure proper function..
c). Astringent herb poultices help to fight blocked prolactin, a buildup of oxygen in the urine that can trigger growth of prolactin. Astringent herbs may be applied to dry skin or ointment or gel applied to irritated or infected skin..
d). Astringent poultices cause your skin to contract, which can be helpful if you need to remove splinters or fragments of foreign objects. Astringent poultices may also be helpful in to drawing out an infection..
d).