【单选题】

The argument of the passage best supports which of the following contentions concerning political art
A．(A) It has been considered to be more effective in producing change among certain political classes than among others.

B．(B) Aesthetic judgments of artists are often positively reinforced by the political views of their critics.
C．(C) Judgments of the value of an artist's work made by his or her critics must be discounted before a true judgment can be made.
D．(D) In order to be highly regarded, an artist cannot be solely identified with one particular degree of political consciousness in her artwork.
E．(E) Flexibility is the most valuable quality a political artist can have in maintaining the longevity of her career.