The answer to the question above is letter "C. enables humans to live forever". Human beings, as we are, we are bound to face death when time comes and that we are not immortal. Other choices are beneficial uses of the genetic engineering.
The large intestine<span>, </span>also known as the large bowel<span> or colon.</span>
The outer ear<span>, the middle </span>ear, and the inner ear<span>.</span>