If \(M\) is any square matrix of order 3 over \(\mathbb{R}\) and If \(M^{\prime}\) be the transpose of \(M\), then \(\operatorname{adj}\left(M^{\prime}\right)-(\operatorname{adj} M)^{\prime}\) is equal to
(A) \(M\)
(B) \(\mathrm{M}^{\prime}\)
(C) null matrix
(D) identity matrix