Answer: A, B, C, D, E

Baojian means to put the pieces to be fried in a cloth bag made of cotton gauze, and tie the mouth of the bag tightly. Decoct together with the group of medicinal herbs. The main categories of medicines that need to be decoction are as follows. (1) Pieces containing more mucilage. After frying, it can avoid sticking to the bottom of the pot during the frying process. Such as Plantagine Seed, Tingli Seed, etc. (2) Decoction pieces rich in villi. After decoction, it can prevent the fallen villi from mixing into the decoction and irritating the throat and causing coughing, such as inula flowers, loquat leaves, etc. (3) Tiny pieces such as pollen have a large surface area and strong hydrophobicity, so they should also be fried in a wrapper to prevent them from floating and affecting the decoction of the active ingredients. Such as Puhuang, Haijinsha, clam powder, Liuyi powder, etc. Therefore, ABCDE should be selected for this question.