If $ad-bc \neq 0$,then the area (in sq. units) of the parallelogram formed by the lines $ax+by+2=0$,$ax+by+5=0$,$cx+dy+3=0$ and $cx+dy+7=0$ is

  • A
    $\frac{1}{|ad-bc|}$
  • B
    $\frac{5}{|ad-bc|}$
  • C
    $\frac{7}{|ad-bc|}$
  • D
    $\frac{12}{|ad-bc|}$

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