Which sentence provides an objective summary of the paragraph?
A. Cubist art most commonly portrayed still lifes and portraits.
B. Pablo Picasso invented cubism in the early 1900s with the help of Georges Braque.
C. Cubism was a ridiculous style of art that turned realistic objects into a mess of random shapes.
D. Cubism was a style of visual art that portrayed subjects as fragmented, two-dimensional images.
