8. If C is an x 4 matrix and D = 01 00 then the second column of the matrix CD is (a) The same as the second column of C (b) The sum of the first and second columns of C (c) The sum of the second and fourth columns of C (d) The same as the first column of D (e) The same as the third row of D (f) The sum of the first and the third columns of C