If the line $\frac{x - 3}{2} = \frac{y + 2}{-1} = \frac{z + 4}{3}$ lies in the plane $lx + my - z = 9$,then $l^2 + m^2 = \dots$

  • A
    $5$
  • B
    $2$
  • C
    $26$
  • D
    $18$

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