Nineteenth-century art critics judged art by the realism of its method of representation. It was assumed that the realistic method developed from primitive beginnings to the perfection of formal realism. It is one of the permanent gains of the aesthetic revolution of the twentieth century that we are rid of this type of aesthetics.
It can be inferred from the passage above that the artistic revolution of the twentieth century had which of the following effects

A．It deemphasized realistic representation as an evaluative consideration for judging works of art.

B．It permitted modern critics to appreciate the simplicity of primitive art.

C．It repudiated the realistic representation found in the art of the past.

D．It reinforced traditional ways of looking at and judging great art.

E．(E) It allowed art critics to understand the evolution and nature of art.

下列变化中，属于物理变化的是（　　）

A．汽油挥发

B．食物变质

C．葡萄糖在人体内氧化

D．用富含淀粉的甘薯酿酒