For all complex numbers $z$ of the form $1 + i\alpha$,where $\alpha \in R$,if $z^2 = x + iy$,then which of the following relations holds?

  • A
    $y^2 - 4x + 2 = 0$
  • B
    $y^2 + 4x - 4 = 0$
  • C
    $y^2 - 4x - 4 = 0$
  • D
    $y^2 + 4x + 2 = 0$

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