单项选择题

According to the passage, the form which fine art takes at any given historical moment is often dictated by

A. the level of continuity in the artist's thinking process
B. the concepts which exemplify the historical period of its creation
C. the technology available to the artist at the time the art piece is created
D. the level of skill which the artist brings to the art work
E. a contrast between the contemporary and ancient fine art forms