What is the equation of a circle with center (-3,-5) and radius 4?
O A. (x-3)2 + (x - 5)2 = 4
O B. (x+3)2 + (y + 5)2 = 16
O C. (x - 3)2 + (x - 5)2 = 16
O D. (x+3)2 + (y + 5)2 = 4