Answer:
D. NASA would have preferred that the process for making trajectory calculations during the 1930s and 1940s had not been brought to light.
B-Robotic surgery allows surgeons to make smaller incisions.
Explaination: Anything having to do with medical procedures are healthcare so this is my reasoning.
I feel it is C, but I am not sure if it is correct, I can only apologize if it is wrong.
