The following statement about decoctions is correct.

Decoction is a liquid preparation prepared by decocting decoction pieces in water or soaking them in boiling water, filtering and taking filtrate. Among them, those who use coarse granules of decoction pieces as medicine, also known as "boiled powder", soak medicine in boiling water from time to time, and drink it from time to time, commonly known as "drinking powder". Decoction is mainly used for oral administration, but also for gargling, bathing and fumigation. Decoction is the earliest and most widely used traditional dosage form, which has the following characteristics: the compatibility of prescriptions is flexible, which can meet the needs of clinical diagnosis and treatment of traditional Chinese medicine and give full play to the comprehensive curative effect of compound prescription; Taking water as solvent, the preparation method is simple, and the absorption and effect are quick; Bitter taste, inconvenient to take; It is not suitable for long-term storage, and it must be prepared temporarily, which is inconvenient; The low extraction rate or retention rate of volatile and insoluble components may affect the curative effect. At present, formulated granules have been applied and have a good prospect. The answer is ABCE.