The solution set for minimizing the function $z = x + y$ with constraints $x + y \geqslant 2$,$x + 2y \leqslant 8$,$y \leqslant 3$,$x, y \geqslant 0$ contains

  • A
    $x = 0, y = 3$
  • B
    $x = 8, y = 0$
  • C
    infinitely many points
  • D
    $x = 2, y = 3$

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