Let $\mathrm{A}=\left(\begin{array}{ll}0 & 1 \\ 1 & k\end{array}\right), k \in \mathbb{R}$ and $\mathrm{A}^3=\left(\begin{array}{ll}a & b \\ c & d\end{array}\right)$. If $d=228$, then $b+c=$

• A

  52
• Correct answer
  B

  74
• C

  2
• D

  100

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