For the network shown in the figure V;(t) is the input and i(t) is the output. The transfer function $$\frac{I(s)}{v_{i}(s)}$$ of the network is

A

$$\frac{C}{RCs^{2}+LCs+1}$$

B

$$\frac{C}{LCs^{2}+RCs+1}$$

C

$$\frac{Cs}{RCs^{2}+LCs+1}$$

D

$$\frac{Cs}{LCs^{2}+RCs+1}$$