The Following Are Processes That Occur in the Production of Human

The following are processes that occur in the production of human insulin via genetic engineering:
I.The insulin gene is inserted into a bacterium plasmid
Ii.Bacteria with the modified plasmid reproduce
Iii.The insulin gene is isolated from insulin-producing cells in the human pancreas. Which of the following lists these steps in the correct order of occurrence?

A) i, ii, iii
B) ii, iii, i
C) ii, i, iii
D) iii, i, ii