If $A=\left[\begin{array}{cc}2 & -3 \\ 4 & 1\end{array}\right]$, then $A+\operatorname{adj} A$ is

• Correct answer
  A

  $\left[\begin{array}{ll}3 & 0 \\ 0 & 3\end{array}\right]$
• B

  $\left[\begin{array}{cc}1 & 3 \\ -4 & 2\end{array}\right]$
• C

  $\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$
• D

  $\left[\begin{array}{cc}1 & -3 \\ 4 & 2\end{array}\right]$

Hence, the correct answer is option: 'A'.