The correct answer is A). Leonardo Da Vinci use Realism, as in his painting of the Mona Lisa or La Gioconda. Leonardo was fascinated by the human body. In his writings based on his observations are wonderful paintings and drawings of the body conceived with realism and proportion.
Renaissance art also reflects the values of Renaissance humanism:
A return to the classic models in architecture to the representation of the naked figure, and to a heroic vision of human beings.
Medieval art fulfilled a religious function:
The world was a veil that only insinuated to the other perfect and eternal world. Renaissance artists continued to use religious themes, but they destroyed the domain of religion over art by changing the attention of heaven to the natural world and the human being.