If \(\begin{equation*} A= \begin{bmatrix} \alpha &0\\ 1&1 \end{bmatrix} \end{equation*}\) and \(\begin{equation*} B = \begin{bmatrix} 1 &0\\ 5&1 \end{bmatrix} \end{equation*}\) then value of \(\alpha\) for which A^{2}=B , is

A) 1

B)-1

c) 0

d) no real value