Choose the option which correctly shows the relationship between Modulus of Elasticity (E); Modulus of Rigidity (C) and Bulk Modulus (K) :

A

$$E = \frac{KC}{K + C}$$

B

$$E = \frac{2KC}{2K + C}$$

C

$$E = \frac{9KC}{3K + C}$$

D

$$E = \frac{3KC}{K + 2C}$$