Which of the following conditions regarding a chemical process ensures its spontaneity at all temperature?

• A

  $\mathrm{\Delta H}=0,\mathrm{\Delta S}<0$

• B

  $\mathrm{\Delta H}<0,\mathrm{\Delta S}>0$

• C

  $\mathrm{\Delta H}<0,\mathrm{\Delta S}<0$

• D

  $\mathrm{\Delta H}>0,\mathrm{\Delta S}<0$