Which of these elements is an artistic innovation in the painting Madonna Ognissanti by Giotto?

a.

Mary shows physicality

b.

Background is golden, representing God's presence

c.

Composition is symmetrical

d.

Faces are generic

a. Mary shows physicality

Explanation:

The innovative work done by Giotto is the presence of human figure and its relationship with the outer world.

The options b, c, d shows the traditional methods of painting like background is golden and there is no symmetry because Mary and child is larger in shape with respect to the angels.

Faces shown can be generic or it might not be.

Hence, the most appropriate answer is (a).