Let $z \in \mathbb{C}$ be such that $\frac{z^2+3i}{z-2+i}=2+3i$. Then the sum of all possible values of $z^2$ is

  • A
    $19-2i$
  • B
    $-19-2i$
  • C
    $19+2i$
  • D
    $-19+2i$

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