Answer:
The correct option is A. Scientific Revolution. Beginning in 1543 with the publication of works such as Andreas Vesalius' "On the Fabric of the Human Body" (anatomy) and Nicolaus Copernicus' "On the Revolutions of the Celestial Spheres" (planetary movements), the Scientific Revolution marked a shift toward a more empirical and systematic approach to understanding the natural world through observation, experimentation, and mathematical description.