The value of $k$ for which the system of equations $x+2 y+k z=1 ; \quad 2 x+k y+8 z=3$ has no solution is
(A) 0
(B) 2
(C) 4
(D) 8
The value of $k$ for which the system of equations $x+2 y+k z=1 ; \quad 2 x+k y+8 z=3$ has no solution is
(A) 0
(B) 2
(C) 4
(D) 8