An aluminum tensile test specimen has a diameter, $$d_o = 25 mm$$ and a gauge length of $$L_o = 250 mm$$. If a force of 175 KN elongates the gauge length by 1.25 mm, the modulus
of elasticity of the material is nearly

A

71 GPa

B

71 MPa

C

142 GPa

D

142 MPa