Nobel Prize winner Mo Yan said        prize the Academy had awarded to him was_______ victory of literature, but not a victory of politics.

A．the, the

B．the, a

C．a, a

D．a, the

通过加热和冷却固态金属的操作方法来改变其内部组织结构，并获得所需金属的物理、化学和力学性能的一种工艺是（）。

A.焊接

B.热处理

C.冷处理

D.预膜