If $f(x) = x^5 - 5x^4 + 5x^3 - 10$ has local maximum and minimum at $x = p$ and $x = q$,respectively,then $(p, q)$ equals

  • A
    $(0, 1)$
  • B
    $(1, 3)$
  • C
    $(1, 0)$
  • D
    $(3, 1)$

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