In the given figure, O is the centre of the circle, OQ is perpendicular to RS and $$\angle$$SRT = $$30^\circ\ $$. If  RS=10$$\surd2$$, then what is the value of PR$$^{2}$$?

A

200(1 + √3)

B

300(2 + √3)

C

 200(2 + √3)

D

100(3 + 2√3)