【单选题】

The passage asserts which of the following about commercial art
A．There are many examples of commercial art whose artistic merit is equal to that of great works of art of the past.

B．Commercial art is heavily influenced by whatever doctrines are fashionable in the serious art world of the time.
C．The line between commercial art and great art lies primarily in how an image is used, not in the motivation for its creation.
D．The pervasiveness of contemporary commercial art has led art historians to undervalue representational skills.