Answer: D

⒈ Ethanol serves as a wetting agent. The commonly used concentration of ethanol is 30-70. For any drug that is viscous and is too sticky to be granulated when exposed to water; or easily deteriorates when heated by water; or the drug is easily soluble in water and difficult to granulate; or the granules are too hard after drying, ethanol of different concentrations should be used. As a wetting agent. ⒉ Powdered sugar is sucrose fine powder, sweet in taste, soluble in water, and easy to absorb moisture and clump. It is an excellent diluent for tablets and has both flavoring and binding properties. ⒊ Surfactant is an auxiliary disintegrant. It can increase the wettability of drugs, promote water penetration, and promote tablet disintegration. Commonly used varieties include polysorbate-80, sodium lauryl sulfate, etc. It should be mixed with dry starch to improve the disintegration effect.