Answer:
b. the World Health Organization
Explanation:
the reason why the World Health Organization will look upon these kind of cases of technology is their worldwide use. For example, we know that the scanner use X-Rays or other kind of infrared rays that penetrate materials and flesh of body and may cause mutations. All of these factors will be considered under the super-vision of the World Health Organization like how much of a radiation dose a person or any living organism is receiving after being checked by these scanners etc...