A square is inscribed in the circle `x^2+y^2-2x+4y-93=0`
with its sides parallel to the coordinate axes. The coordinates of its
vertices are
`(-6,-9),(-6,5),(8,-9),(8,5)`
`(-6,-9),(-6,-5),(8,-9),(8,5)`
`(-6,-9),(-6,5),(8,9),(8,5)`
`(-6,-9),(-6,5),(8,-9),(8,-5)`
A. `(-6,-9),(-6,5),(8,-9),(8,5)`
B. `(-6,9),(-6,-5),(8,-9),(8,5)`
C. `(-6,-9),(-6,5),(8,9),(8,5)`
D. `(-6,-9),(-6,5),(8,-9),(8,-5)`