Two vectors are given as follows:

vec$(B)=-2$vec$(i)-8$vec$(j)+2$vec$(k),$vec$(C)=-5$vec$(i)-2$vec$(j)-3$vec$(k)$

The angle between vectors vec$(B)$ and vec$(C),$ in degrees, is closest to:

$($A$)112$

B$)68$

C$)90$

D$)128$