Let $z$ satisfy $|z| = 1$ and $z = 1 - \bar{z}$.
Statement $1$: $z$ is a real number.
Statement $2$: The principal argument of $z$ is $\frac{\pi}{3}$.

  • A
    Statement $1$ is true,Statement $2$ is true; Statement $2$ is a correct explanation for Statement $1$.
  • B
    Statement $1$ is false; Statement $2$ is true.
  • C
    Statement $1$ is true,Statement $2$ is false.
  • D
    Statement $1$ is true; Statement $2$ is true; Statement $2$ is not a correct explanation for Statement $1$.

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