Which of the following is not a linear transformation from R3 to R3?
OA.T(x,y,z) = (x -y,0,y-z)
OB. T(x, y, z) = (x, 2y, 3x - y)
OC.T(x,y,z)=(0,0,0)
OD.T(x,y,z)=(1,x,z)
OE. T(x,y,z) = (2x,2y,5z)