Regarding elasticity which of the following statements are correct?
(i) Rubber does not obey Hooke's law.
(ii) Elasticity* can be different for tensile and compressive stress. 
(iii) Elasticity is independent of temperature . 
(iv) Poisson's ratio is a modulus of elasticity. 

• A

  (i, ii) 

• B

  (i, iii) 

• C

  (ii, iii)

• D

  (ii, iv)