Some Biologists Argue That Transposable Elements Provide Benefits to a Given

Some biologists argue that transposable elements provide benefits to a given species. Which of the following is NOT a possible benefit of transposable elements?

A) Transposable elements often carry an antibiotic-resistance gene.
B) Transposable elements confer genetic variability.
C) Transposable elements provide the organism with a survival advantage.
D) Transposable elements insert themselves into the middle of functionally important genes.
E) All of the choices are beneficial.