Many Drugs Are Produced by Placing Human Genes into Bacteria

Many drugs are produced by placing human genes into bacteria.The bacteria then transcribe and translate these genes into functional human proteins that can then be purified and given as drugs.The fact that this process works is consistent with which hypothesis?

A) Bacteria have evolved to mimic human cells.
B) Bacteria cannot divide unless they are inside a host cell.
C) Humans and bacteria share a common ancestor.
D) Bacteria need to make human proteins to live inside the human body.
E) Humans and bacteria use different genetic material.