The velocity field in a flow system is given by \(v = 2i\; + \;\left( {x\; + \;y} \right)j\; + \;\left( {xyz} \right)k\). The acceleration of the fluid at (1, 1, 2) is

• A. j + k
• B. 2i + 10 k
• C. 4j + 10 k
• D. 4i + 12 k