Which digit should come in the box so that following addition is correct? \[+\underline{\begin{align} & \underline{\begin{matrix} 5 & \\ 3 & 8 \\ \end{matrix}} \\ & 9\,\,\,\,\,\,\,\,2 \\ \end{align}}\]

• A.  4
• B. 3 
• C.  2  
• D. 1