What challenges does new technology, like digital printing, create for art critics?

A. They are opposed to innovation and new developments in art.

B. None of the principles of design will apply to the new forms of art.

C. They depend on the artists to teach them about new developments.

D. They often have not developed standards for critiquing the new kinds of art.

D. They often have not developed standards for critiquing the new kinds of art.