$\int_{\frac{1}{2}}^2 \frac{1}{x} \operatorname{cosec}^{101}\left(x-\frac{1}{x}\right) d x=$

  • A
    $0$
  • B
    $1$
  • C
    $\frac{1}{4}$
  • D
    $\frac{101}{2}$

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