设复数 z满足 z - i = 1 , z在复平面内对应的点为( x, y),则( )
( x + 1 ) 2 + y 2 = 1
( x - 1 ) 2 + y 2 = 1
x 2 + ( y - 1 ) 2 = 1
x 2 + ( y + 1 ) 2 = 1
试题篮