The equation of the tangent to the curve $y^{2}=ax^{2}+b$ at the point $(2,3)$ is $y=4x-5$. Then the values of $a$ and $b$ are:

  • A
    $3, -5$
  • B
    $6, -5$
  • C
    $6, 15$
  • D
    $6, -15$

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