韧度是衡量材料韧性大小的力学性能指标，是指材料断裂前吸收（）的能力。

A.Plastic deformation work and fracture work

B.Elastic deformation work and plastic deformation work

C.Elastic deformation work and fracture work

D.Plastic deformation work

正确答案：Elastic deformation work and fracture work