Statement I : The stress-strain behaviour varies from material to material.

Statement II : A rubber can be pulled to several times its original length and still returns to its original shape.

• A

  If both statement I and statement II are true and statement II is the correct explanation of statement I.
   

• B

  If both statement I and statement II are true but statement II is not the correct explanation of statement I.
   

• C

  If statement I is true but statement II is false 
   

• D

  If both statement I and statement II are false