Cho \(\vec{u}=(1;-1;2),\vec{v}=(0;1;1)\). Khi đó \(\left[ \vec{u},\vec{v} \right]\) là

A. (1; -1; 1)                       

B. (1; -3; 1)                    

C. (1; 1; 1)                      

D. (-3; -1; 1)