If X( ) is the Fourier transform of the signal x(n), then what is the Fourier transform of the signal x(n-k)?

If X( ) is the Fourier transform of the signal x(n), then what is the

1.	If X( ) is the Fourier transform of the signal x(n), then what is the Fourier transform of the signal x(n-k)?
A.	e<sup>j k</sup>. X(- )
B.	e<sup>j k</sup>. X( )
C.	e<sup>-j k</sup>. X(- )
D.	e<sup>-j k</sup>. X( )
Answer» E.