In Which Case Must a Reaction Be Spontaneous at All $\Delta$

In which case must a reaction be spontaneous at all temperatures?

A) ( $\Delta$ S = 0, $\Delta$ H is positive)
B) ( $\Delta$ H is negative, $\Delta$ S is positive)
C) ( $\Delta$ H = 0, $\Delta$ S is negative)
D) ( $\Delta$ H is positive, $\Delta$ S is positive)
E) none of these