The dimensions of length are expressed as `G^(x)c^(y)h^(z)`, where G, c and h are the universal gravitational constant, speed of light and Planck's constant respectively, then :

Options

A. x=(1/2), y=(1/2)
B. x=(1/2), z=(1/2)
C. y=(-3/2), z=(1/2)
D. y=(1/2), z=(3/2)