Pick out the wrong statement?

A. e imperfections

B. sed by the formation and coalescence of voids in the necked region

C. Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly

D. Fatigue fracture of a material is always brittle in nature and takes place due to the existence of

E. Brittle materials are generally tested in tension

F. Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation
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