The equation of the plane containing the line $\frac{x-x_1}{l}=\frac{y-y_1}{m}=\frac{z-z_2}{n}$ is $a(x-x_1)+b(y-y_1)+c(z-z_1)=0$ where

• A

  $a{x}_1+b{y}_1+c{z}_1=0$

• B

  $al+bm+cn=0$

• C

  $\frac{a}{l}=\frac{b}{m}=\frac{c}{n}$

• D

  $l{x}_1+m{y}_1+n{z}_1=0$