Assertion $(A)$: The scale leaves of $Araucaria$ are small and brown.
Reason $(R)$: The gametophyte stage of $Araucaria$ is long-lived and subterranean.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

  • A
    $A$ and $R$ are both true,and $R$ is the correct explanation of $A$.
  • B
    $A$ and $R$ are both true,but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true,but $R$ is false.
  • D
    $A$ is false,but $R$ is true.

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