The separate equations of the lines represented by $4x^{2}-y^{2}+2x+y=0$ are

  • A
    $2x-2y+1=0, x+2y=0$
  • B
    $2x-y+1=0, 2x+y=0$
  • C
    $2x-y+1=0, 2x-y=0$
  • D
    $2x-y=0, 2x+y+1=0$

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