单选题 Because modern art is neither completely accepted nor rejected by critics, their ultimate evaluations of it remain ______ .

(A) unrelenting
(B) arbitrary
(C) diminished
(D) equivocal
(E) passive

【正确答案】 D

【答案解析】The context indicates that critics are undecided in their opinion of modern art. Equivocal means "ambiguous or uncertain," so it is the best choice.