Answer: C. Bourgelat proved that veterinary science was essential for preventing zoonotic diseases.
Explanation:
Claude Bourgelat was a very brilliant horse trainer who became interested in the field of Veterinary Science to improve his knowledge of animals. In doing so he realized that there was no standardized education for such an important field.
After he started his veterinary school, he and his students were able to give help to France when it was in the midst of a Rinderpest pandemic that was decimating livestock thus proving that veterinary science was essential for preventing zoonotic diseases.