ऊन कतरना (Shearing) निम्नलिखित में से किस प्राकृतिक रेशे को प्राप्त करने का एक आवश्यक चरण है?

Steps for the production of silk are given below. Arrange them in the correct sequence: (A) Cocoons are kept under the sun or boiled in water. (B) Female silk moths lay eggs. (C) The larvae or silkworms are kept in clean trays along with fresh mulberry leaves. (D) Eggs are warmed to a suitable temperature for larvae to hatch. (E) After 25 - 30 days, caterpillars stop eating and start spinning cocoons. (F) Fibers are taken out from cocoons.