Which of the following is the best description of how patrons have influenced the production of works of art?
a.)Patrons sell works of art, providing income for artists and allowing them to produce more works of art.
b.)Patrons commission works of art for production, and influence the design of the artwork based on their personal preferences.
c.)Patrons only ever provide money for the production of works of art, and always leave it to the artists to decide on the subject matter of the artwork that's produced.
d.)Patrons had a major influence on works of art during the Middle Ages in Europe, but weren't that influential on works of art during the Renaissance.