The president of the U.S.
Because the patients have to trust the medical professionals with their health and their life. One bad decision and it could make the patient really sick so it is very important for the patient and the medical doctor to have a trusted bond.
Hope this helps,
Davinia.
Answer:
the ships or the sea .. prolly wrong but sorry
It's C. Couldn't be a. b is from a different time period. d is a different story.