If $\theta $ and $\phi $ are angles in the $1^{st}$ quadrant such that $\tan \theta = 1/7$ and $\sin \phi = 1/\sqrt {10} $.Then

  • A

    $\theta + 2\phi = 90^\circ $

  • B

    $\theta + 2\phi = 60^\circ $

  • C

    $\theta + 2\phi = 30^\circ $

  • D

    $\theta + 2\phi = 45^\circ $

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