Steps of preparation of human insulin are given below Arrange these steps in a proper sequence

A. Chain 'A' and 'B' are extracted separately.
B. Chain A and B are joined to plasmids of different E.coli for replication
C. Preparation of two chains of DNA corresponding to chain 'A' and 'B' of human insulin
D. Chain 'A' and 'B' are joined to each other by disulphide bond
E. Mature insulin is obtained

Choose the correct answer from the options given below:

C, B, A, D, E

The correct answer is Option () →