The relationship between γd, G and e is given by ______

• A. γd = \(\frac{Gγ_w}{1-e}\)
• B. γd = \(\frac{G+γ_w}{1+e}\)
• C. γd = \(\frac{Gγ_w}{1+e}\)
• D. γd = \(\frac{Gγ_w}{e}\)