Estimate the magnitude and phase of the element $$S_{11}$$ of the S-matrix of the circuit shown below. Assume an operating frequency of 25 MHz.

A

$$25 \angle 180^\circ $$

B

$$25 \angle 0^\circ $$

C

$$0.33 \angle 180^\circ $$

D

$$0.33 \angle 0^\circ $$