Please help

Use the diagram to write the standard equation of the circle.


A: (x + 2)^2 + (y + 2)^2 = 16

B: (x – 2)^2 + (y – 2)^2 = 4

C: (x + 2)^2 + (y + 2)^2 = 4

D: (x – 2)^2 + (y – 2)^2 = 16