Answer:
"Bioprinted organs will improve many people's health and lives."
Explanation:
It is the answer that seems to be the central idea and the one that makes the most logical sense.
For me, to make fiction realistic is to have normal people in the story and have something strange come out of the blue. For example, there are researcher that study UFOs, so maybe have a conflict that has something to do with UFOs. Hope that helps!!!