The two independent elastic constants for an isotropic material are:
AYoung's modulus and Poisson's ratio
BBulk modulus and Young's modulus
CShear modulus and Poisson's ratio
DBulk modulus and Poisson's ratio
AYoung's modulus and Poisson's ratio
BBulk modulus and Young's modulus
CShear modulus and Poisson's ratio
DBulk modulus and Poisson's ratio