In the current era,$\underline{X \%}$ of all bird species and $\underline{Y \%}$ of all amphibian species in the world are facing the threat of extinction.

  • A
    $X = 12 \%, Y = 32 \%$
  • B
    $X = 23 \%, Y = 35 \%$
  • C
    $X = 32 \%, Y = 10 \%$
  • D
    $X = 10 \%, Y = 12 \%$

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