5. 試問以點\( (-2, 2) \)為圓心,半徑為2的圓方程式為何?(A)\( (x+2)^2+(y-2)^2=2 \)(B)\( (x+2)^2+(y-2)^2=4 \)(C)\( (x-2)^2+(y+2)^2=2 \)(D)\( (x-2)^2+(y+2)^2=4 \)