Write the standard form of the equation of the circle described below. Center (0, -1) passes through the point (3, -3).
a) (x - 3)² + (y + 3)² = 1
b) (x + 3)² + (y - 3)² = 1
c) (x - 3)² + (y + 1)² = 10
d) (x + 3)² + (y - 1)² = 10