Let $x$ and $y$ be real numbers such that $x > 2y > 0$ and $2 \log (x - 2y) = \log x + \log y$. Then,the possible value$(s)$ of $\frac{x}{y}$ is/are:

  • A
    $1$ only
  • B
    $1$ and $4$
  • C
    $4$ only
  • D
    $8$ only

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