The main characteristics of fatigue rupture of metal components under the action of cyclic stress are ( )
选项：

A:No obvious plastic deformation, the fracture surface is divided into smooth area and coarse grained area;
B:No obvious plastic deformation, the surface of the fracture is coarse-grained;
C:There is obvious plastic deformation, the fracture surface is divided into smooth area and coarse grained area;
D:There is obvious plastic deformation, and the fracture surface is smooth