Which of the following best states the author's main point about artists who have abandoned the hierarchical distinction between art and theory
A． Theirs is a sterile, abstract practice, unlikely to produce few lasting works. B． They have demonstrated that critics are less important to the art-making process than the public commonly believes. C． They have laudably focused their energy on exposing the extent to which theory informs their own practice. D． They have, to the detriment of their work, lost track of inner realm of the creator. E． They have demonstrated a positive alternative to critics who have abandoned their field to become artists.