​Evaluate the Expression A)​[-21 $- \frac { 9 } { 2 }$

Multiple Choice

​Evaluate the expression. ​​ $$\frac { 3 } { 2 } \left[ \begin{array} { l l l } - 8 & - 1 & - 1\end{array} \right] + \left[ \begin{array} { l l l } - 9 & - 3 & 3\end{array} \right]$$

A) ​[-21 $- \frac { 9 } { 2 }$ $\frac { 3 } { 2 }$ ]
B) ​[-17 -4 2]
C) ​[-3 $\frac { 3 } { 2 }$ $- \frac { 9 } { 2 }$ ]
D) ​[ $- \frac { 33 } { 2 }$ -3 0]
E) ​not possible