Expression for time in terms of $$G$$ (universal gravitational constant), $$h$$ (Planck constant) and $$c$$ (speed of light) is proportional to:

A

$$\sqrt{\frac{Gh}{c^5}}$$

B

$$\sqrt{\frac{hc^5}{G}}$$

C

$$\sqrt{\frac{Gh}{c^3}}$$

D

$$\sqrt{\frac{c^3}{Gh}}$$