If $(\sin \alpha + \operatorname{cosec} \alpha)^{2} + (\cos \alpha + \sec \alpha)^{2} = K + \tan^{2} \alpha + \cot^{2} \alpha$,then the value of $K$ is

  • A
    $1$
  • B
    $7$
  • C
    $3$
  • D
    $5$

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