What is the coefficient of $x^{100}$ in $(1 + x + x^2 + x^3 + \dots + x^{100})^3$?

  • A
    $^{100}C_3$
  • B
    $^{102}C_3$
  • C
    $^{102}C_2$
  • D
    $^{105}C_2$

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