If the tangent at the point P on the cir...

If the tangent at the point P on the circle `x^2+y^2+6x+6y=2` meets the straight line `5x-2y+6=0` at a point Q on the Y-axis, then the length of PQ is

A

`2sqrt5`

B

`3sqrt5`

C

4

D

5

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