If a line makes angles $\frac{\pi}{3}$ and $\frac{\pi}{4}$ with the positive $x$ and $y$-axes respectively,then the angle made by the line with the positive $z$-axis is

  • A
    $\frac{\pi}{2}$
  • B
    $\frac{5\pi}{12}$
  • C
    $\frac{\pi}{4}$
  • D
    $\frac{\pi}{3}$

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