Let w (Im w ≠0 ) be a complex number. Then the set of all complex number z satisfying the equation w−w¯z=k(1−z) , for some real number k, is:
A) {z:|z|=1}
B) {z:z=z¯}
C) {z:z≠1}
D) {z:|z|=1,z≠1}