【单选题】

By the phrase "diffused through the ’artistic genius of centuries," the author most likely means ______.

A、the individual artists of the MiddleAges did not have serious talent
B．great works of art from the MiddleAges have survived until now
C．an artist who faithfully followed the rules of religious art was not recognized during his lifetime
D．the rules of religious art, developed over time, left little freedom for the artist