The smallest set $A$ such that $A  \cup  \{1, 2\} = \{1, 2, 3, 5, 9\}$ is

  • A

    $\{2, 3, 5\}$

  • B

    $\{3, 5, 9\}$

  • C

    $\{1, 2, 5, 9\}$

  • D

    None of these

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