Solve the System $$\left\{ \begin{array} { l } 3 x + 3 y + z = 2 \\5 x - 5 y - z = - 16 \\4 x + y + 5 z = - 21\end{array} \right.$$

Multiple Choice

Solve the system.
- $$\left\{ \begin{array} { l } 3 x + 3 y + z = 2 \\5 x - 5 y - z = - 16 \\4 x + y + 5 z = - 21\end{array} \right.$$

A) $( - 4,3 , - 1 )$
B) $( - 1 , - 4,3 )$
C) $( - 1,3 , - 4 )$
D) $\varnothing$