$A$ liquid when kept inside a thermally insulated closed vessel at $25^{\circ} C$ was mechanically stirred from outside. What will be the correct option for the following thermodynamic parameters?

  • A
    $\Delta U > 0, q = 0, w > 0$
  • B
    $\Delta U = 0, q = 0, w = 0$
  • C
    $\Delta U < 0, q = 0, w > 0$
  • D
    $\Delta U = 0, q < 0, w > 0$

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