下面直线中平行于xoy坐标面的是（）A. (x-1)/(1)=(y+2)/(3)=(z+3)/(2)B. }4x-y-4=0x-z-4=0

A. $\frac{x-1}{1}=\frac{y+2}{3}=\frac{z+3}{2}$

B. $\begin{cases}4x-y-4=0\\x-z-4=0\end{cases}$

C. $\frac{x-1}{0}=\frac{y-1}{0}=\frac{z}{1}$

D. $\begin{cases}x=1+2t\\y=3t\\z=4\end{cases}$