Scholars of the Middle Ages said that one could not understand the universe, while Galileo said that this understanding was possible. Option C is correct.
Galileo Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath.
He studied speed and velocity, gravity and free fall, the principle of relativity, inertia, projectile motion among others.
He was also known as the "father of modern physics", the "father of the scientific method", and the "father of modern science."